Power of Attorney



I, Samuel Hellman, M.D. hereby constitute and appoint Joseph B. Phair,

Elisha W. Finney, Crisanto C. Raimundo, John Kuo, Mary O'Byrne, Alan

Palter, Tai-Yun Chen, and each of them individually, as my true and lawful

attorney-in-fact to:



1. Complete and execute on my behalf as an officer and/or director of Varian

Medical Systems, Inc. (the "Company") any Forms 3, 4, or 5 required to be

filed by me under Section 16(a) of the Securities Exchange Act of 1934

and the rules and regulations thereunder.



2. Do and perform any and all acts for and on my behalf which may be

necessary or desirable to complete any such Form 3, 4 or 5 and timely

file such form with the U.S. Securities and Exchange Commission and any

stock exchange or similar authority; and



3. Take any other action of any type whatsoever in connection with the

foregoing, which in the opinion of such attorney-in-fact may be of benefit

to, in the best interest of, or legally required of me, it being understood

that the documents executed by such attorney-in-fact on my behalf pursuant

to this Power of Attorney shall be in such form and shall contain such

information as such attorney-in-fact may approve in such attorney-in-fact's

discretion.



I hereby grant to each of such attorneys-in-fact full power and authority

to do and perform any and every act which is necessary or desirable to

be done in the exercise of any of the powers and authority granted in

this Power of Attorney, with full power of substitution and revocation,

and I rarify and confirm every act that such attorney-in-fact lawfully

performs or causes to be done by virtue of this Power of Attorney and

the powers and authority granted herein.



I acknowledge that the attorneys-in-fact appointed in this Power of

Attorney, in serving in such capacity at my request, are not assuming,

and the Company is not assuming, any of my responsibilities to comply

with Section 16 of the Securities and Exchange Act of 1934 or the rules

or regulations thereunder.



This Power of Attorney shall remain in full force and effect until I am

no longer required to file Forms 3, 4 or 5 with respect to my holding

or transactions in securities issued by the Company, unless I earlier

revoke this Power of Attorney in a signed writing delivered to the

foregoing attorneys-in-fact.



IN WITNESS WHEREOF, the undersigned has executed this power of

attorney as of this _____ day of __________, 2003 at _____________.





     __________________________________________

     Samuel Hellman, M.D.



State of California



County of Santa Clara



On ________________, 2003, before the undersigned, a Notary Public for the

State of California, appeared Samuel Hellman, M.D., personally known to me

or proved to me on the basis of satisfactory evidence to be the person

whose name is subscribed to the within instrument and acknowledged that

he executed the same, and that by his signature on the instrument the

person executed the instrument.



Witness my hand and official seal.



___________________________

Signature of Notary







My commission expires on _________________________.