Dr. Droller said most patients got back to complete, normal activity within 12 weeks.

Ms. Droller said she often telephoned other students to encourage them to go to orchestra practice the next day, so the program would not collapse.

Gerard Droller was born in Germany.

Miriam Droller, who is entering 11th grade in the fall, plays cello with the high school orchestra and string bass with the band.

In 1954 Droller helped organize the CIA operation to overthrow Guatemalan president Jacobo Arbenz.

On 21 April 1959, Droller had a three-hour meeting with Fidel Castro in a hotel room in New York after the latter's visit to Washington.

In early 1960, Droller became involved in Operation 40, formed by President Dwight D. Eisenhower to eliminate Fidel Castro.

Recruiting of Cuban exiles in Miami was organized by CIA staff officers E. Howard Hunt and Gerry Droller.

New Possibilities in Systemic Treatment for Metastatic Bladder Cancer, In Droller MJ (Ed.)

Doctors say that radiation in the form of "seeds" implanted into the prostate appears to give patients a better chance of a full recovery, although Dr. Droller at Mount Sinai said he had no specific statistics.

In June 1960, Droller was sent to Miami, as Chief Political Action (C/WH/4/PA) under Jacob Esterline to help organize the overthrow of Fidel Castro in Cuba.

Those attending included David Atlee Phillips, Jacob 'Jake' Esterline, E. Howard Hunt, and Frank Bender (an alias of Gerry Droller), all of the CIA.

During 1960 and 1961, Droller organized the setting up of training camps for Cuban exiles at Useppa Island, Florida, and at Retalhuleu, Guatemala by arrangement with Guatemalan president Miguel Ydigoras.

Dr. Michael J. Droller, chairman of urology at Mount Sinai Medical Center, said that Mr. Giuliani "could resume his mayoral duties and campaigning efforts beginning about three weeks after surgery or during radiation treatments."

He became closely involved with Gerry Droller (alias Frank Bender, alias "Mr B") of the CIA in recruiting and organizing Cuban exiles in Miami for future actions against the Cuban government.

Mr. Giuliani could handle the office work, climb stairs and fly in airplanes early on, but after surgery, physical activity like lifting would be limited for about a month, said Dr. Droller, who is not involved in Mr. Giuliani's case.

"He's going through a process that lots of people go through," said Dr. Michael J. Droller, the chairman of the urology section at Mount Sinai Medical Center, who is not directly involved in Mr. Giuliani's case.

In fact, Bissell assembled the same team as the one used in Guatemala: Tracy Barnes, David Atlee Phillips, Jacob Esterline, William "Rip" Robertson, E. Howard Hunt and Gerry Droller (aka "Frank Bender").