<PAGE>
EXHIBIT 15
August 11, 2000
Securities and Exchange Commission
450 Fifth Street
N.W. Washington, D.C. 20549
Commissioners:
We are aware that our report dated July 20, 2000 on our review of interim
financial information of Varian Medical Systems, Inc. for the three and nine
month periods ended June 30, 2000 and included in the Company's quarterly report
on Form 10-Q for the quarter then ended is incorporated by reference in its
Registration Statement on Form S-8 (No. 333-75531) dated April 1, 1999.
Yours very truly,
/s/ PricewaterhouseCoopers LLP
