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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>___________</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(d) OF THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 38%; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">Date of report (Date of earliest event reported) </TD>
    <TD STYLE="width: 27%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; font-weight: bold; text-align: center">April 25, 2012</TD>
    <TD STYLE="width: 35%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: windowtext 1pt solid; text-align: center; font-size: 10pt; text-transform: uppercase; font-weight: bold">VARIAN MEDICAL SYSTEMS, INC.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Exact Name of Registrant as Specified in its Charter)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 33%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">Delaware</TD>
    <TD STYLE="width: 33%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">1-7598</TD>
    <TD STYLE="width: 33%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">94-2359345</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(State or Other Jurisdiction <BR> of Incorporation)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Commission File <BR> Number)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(IRS Employer<BR> &nbsp;Identification No.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 82%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold">3100 Hansen Way, Palo Alto, CA</TD>
    <TD STYLE="width: 18%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; font-weight: bold; text-align: center">94304-1030</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">(Address of Principal Executive Offices)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Zip Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 41%; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">Registrant's telephone number, including area code</TD>
    <TD STYLE="width: 30%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; font-weight: bold; text-align: center">(650) 493-4000</TD>
    <TD STYLE="width: 29%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; font-weight: bold; text-align: center">Not Applicable</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Former Name or Former Address, if Changed Since Last Report)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction
A.2. below):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings; color: black">&uml;</FONT>
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings; color: black">&uml;</FONT>
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings; color: black">&uml;</FONT>
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings; color: black">&uml;</FONT>
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 2.02. <U>Results of Operations and Financial Condition</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 40.3pt 0pt 0; text-indent: 0.5in">On April 25, 2012, Varian Medical
Systems, Inc. announced that: &ldquo;Varian Medical Systems Reports Results for Second Quarter of Fiscal Year 2012.&rdquo; A copy
of the press release is attached as Exhibit 99.1 and incorporated by reference into this item.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 40.3pt 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 8.01. <U>Other Information</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 40.3pt 0pt 0; text-indent: 0.5in">On April 25, 2012, Varian Medical
Systems, Inc. announced that: Varian Medical Systems and Siemens Healthcare Announce Global Collaboration to Advance Clinical
Capabilities and Offerings in Radiotherapy and Radiosurgery. A copy of the press release is attached as Exhibit 99.2 and
incorporated by reference into this item.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 40.3pt 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 9.01. <U>Financial Statements and Exhibits</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 40.3pt 0pt 0; text-indent: 0.5in">(d)&#9;<U>Exhibits</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 40.3pt 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">99.1&#9;Press Release dated April 25, 2012
entitled &ldquo;Varian Medical Systems Reports Results for Second Quarter of Fiscal Year 2012.&rdquo;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">99.2&#9;Press Release dated April 25, 2012
entitled &ldquo;Varian Medical Systems and Siemens Healthcare Announce Global Collaboration to Advance Clinical Capabilities and
Offerings in Radiotherapy and Radiosurgery.&rdquo;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0; margin-top: 0pt; margin-bottom: 6pt"></P>

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<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">Varian Medical Systems, Inc.</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 50%">&nbsp;</TD>
    <TD STYLE="width: 4%">By:&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 46%">/s/ John W. Kuo</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-top: #000000 1px solid"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Name:&#9;John W. Kuo</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Title:&#9;Corporate
Senior Vice President, General Counsel and Corporate Secretary</P>
</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0pt; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Dated: April 25, 2012</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: left"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EXHIBIT INDEX</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 13%; padding-right: 0; padding-left: 0; font-size: 10pt; text-decoration: underline; text-align: center">Number</TD>
    <TD STYLE="width: 87%; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><U>Exhibit</U></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">99.1</TD>
    <TD ROWSPAN="2" STYLE="padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Press Release dated April 25, 2012 entitled &ldquo;Varian Medical
        Systems Reports Results for Second Quarter of Fiscal Year 2012.&rdquo;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">99.2</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt">Press Release dated April 25, 2012 entitled &ldquo;Varian Medical Systems and Siemens Healthcare Announce Global Collaboration to Advance Clinical Capabilities and Offerings in Radiotherapy and Radiosurgery.&rdquo;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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{"company-data": {"conformed-name": "VARIAN MEDICAL SYSTEMS INC", "cik": "0000203527", "assigned-sic": "3845", "irs-number": "942359345", "state-of-incorporation": "DE", "fiscal-year-end": "1001"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-07598", "film-number": "12779784"}, "business-address": {"street1": "3100 HANSEN WAY", "city": "PALO ALTO", "state": "CA", "zip": "94304-1000", "phone": "650-424-5834"}, "mail-address": {"street1": "3100 HANSEN WAY", "city": "PALO ALTO", "state": "CA", "zip": "94304-1000"}, "former-company": [{"former-conformed-name": "VARIAN ASSOCIATES INC /DE/", "date-changed": "19920703"}, {"former-conformed-name": "VARIAN DELAWARE INC", "date-changed": "19761123"}]}
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
___________
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported)
April 25, 2012
VARIAN MEDICAL SYSTEMS, INC.
(Exact Name of Registrant as Specified in its Charter)
Delaware
1-7598
94-2359345
(State or Other Jurisdiction
of Incorporation)
(Commission File
Number)
(IRS Employer
Identification No.)
3100 Hansen Way, Palo Alto, CA
94304-1030
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code
(650) 493-4000
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction
A.2. below):
¨
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 2.02.
Results of Operations and Financial Condition
.
On April 25, 2012, Varian Medical
Systems, Inc. announced that: "Varian Medical Systems Reports Results for Second Quarter of Fiscal Year 2012." A copy
of the press release is attached as Exhibit 99.1 and incorporated by reference into this item.
Item 8.01.
Other Information
.
On April 25, 2012, Varian Medical
Systems, Inc. announced that: Varian Medical Systems and Siemens Healthcare Announce Global Collaboration to Advance Clinical
Capabilities and Offerings in Radiotherapy and Radiosurgery. A copy of the press release is attached as Exhibit 99.2 and
incorporated by reference into this item.
Item 9.01.
Financial Statements and Exhibits
.
(d)
Exhibits
.
99.1	Press Release dated April 25, 2012
entitled "Varian Medical Systems Reports Results for Second Quarter of Fiscal Year 2012."
99.2	Press Release dated April 25, 2012
entitled "Varian Medical Systems and Siemens Healthcare Announce Global Collaboration to Advance Clinical Capabilities and
Offerings in Radiotherapy and Radiosurgery."
2
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Varian Medical Systems, Inc.
By:
/s/ John W. Kuo
Name:	John W. Kuo
Title:	Corporate
Senior Vice President, General Counsel and Corporate Secretary
Dated: April 25, 2012
3
EXHIBIT INDEX
Number
Exhibit
99.1
Press Release dated April 25, 2012 entitled "Varian Medical
        Systems Reports Results for Second Quarter of Fiscal Year 2012."
99.2
Press Release dated April 25, 2012 entitled "Varian Medical Systems and Siemens Healthcare Announce Global Collaboration to Advance Clinical Capabilities and Offerings in Radiotherapy and Radiosurgery."