SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                    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)         July 14, 2004
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                          Varian Medical Systems, Inc.
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             (Exact Name of Registrant as Specified in its Charter)

          Delaware                       1-7598                   94-2359345
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(State or Other Jurisdiction        (Commission File            (IRS Employer
      of Incorporation)                  Number)             Identification No.)

3100 Hansen Way, Palo Alto, CA                                    94304-1030
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(Address of Principal Executive Offices)                          (Zip Code)

Registrant's telephone number, including area code       (650) 493-4000
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                                 Not Applicable
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          (Former Name or Former Address, if Changed Since Last Report)


Item 7. Financial Statements and Exhibits.

      (c)   Exhibits.

      99.1 Press Release dated July 14, 2004 regarding  Varian Medical  Systems,
Inc.'s  announcement that: Varian Medical Systems Expects To Report Solid Growth
In Net  Earnings,  Sales,  Net Orders,  and Backlog for Third  Quarter of Fiscal
2004; Company Raises Earnings Guidance for Fiscal 2004.

Item 12. Results of Operations and Financial Condition.

      (a)   On July  14,  2004,  Varian  Medical  Systems,  Inc.  issued a press
release  announcing that:  Varian Medical Systems Expects To Report Solid Growth
In Net  Earnings,  Sales,  Net Orders,  and Backlog for Third  Quarter of Fiscal
2004; Company Raises Earnings Guidance for Fiscal 2004.

      A copy of the press release is attached as Exhibit 99.1.


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                                   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/ JOSEPH B. PHAIR
                                       -----------------------------------------
                                  Name:  Joseph B. Phair
                                  Title: Vice President, Administration, General
                                         Counsel and Secretary

Dated: July 14, 2004


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                                  EXHIBIT INDEX

Number                                  Exhibit
------                                  -------

 99.1       Press Release dated July 14, 2004 regarding Varian Medical Systems,
            Inc.'s announcement that: Varian Medical Systems Expects To Report
            Solid Growth In Net Earnings, Sales, Net Orders, and Backlog for
            Third Quarter of Fiscal 2004; Company Raises Earnings Guidance for
            Fiscal 2004.