Exhibit

We are aware that our report dated February 7, 2017 on our review of interim financial information of Varian Medical Systems, Inc. for the three month periods ended December 30, 2016 and January 1, 2016 and included in the Company's quarterly report on Form 10-Q for the quarter ended December 30, 2016 is incorporated by reference in its Registration Statements on Form S‑8 (No.333-188693, No.333-168444, No. 333-168443, No. 333-146176, No. 333-130001, No. 333-152903, No. 333-123778, No. 333-75531, No. 333-57006, No. 333-57008, No. 333-57010, and No. 333-161307).

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