The cause was pulmonary complications after colon surgery, said his wife, Joanna.

The authors drew their conclusions after looking at data from another study that assessed the effectiveness of chemotherapy for cancer patients who had colon surgery.

He confirmed that Castro was not suffering from cancer and there had been botched colon surgery.

And early evidence indicates that President Reagan's colon surgery last year had the same effect.

Summers died on 16 March 1954 from complications during colon surgery, six days after his 50th birthday.

Chewing gum after a colon surgery helps the patient recover sooner.

In 1985, when Mr. Reagan had colon surgery, the rate was $423 a day.

The study, reported in the current issue of Anesthesiology, focused on patients, 18 to 80 years old, after elective colon surgery.

He was admitted to intensive care after complications following minor colon surgery the previous day.

He had just finished recovering from colon surgery when he suffered his most recent stroke.