Steve Job’s cancer and liver transplant could be causing complications. Jobs announced Sunday that he was taking a leave of absence, this would be his third leave since he went public with his cancer back in 2004.

steve jobs cancer

The form of cancer that Jobs, the Apple Inc. CEO announced that he had back in 2004 grows and spreads slowly and, in some patients, the migrating cells aren’t detected for years, doctors said.

Jobs had a liver transplant in 2009. That’s a strategy sometimes used to stop neuroendocrine tumors that have spread to that organ, said John Fung, chairman of the Digestive Disease Institute at the Cleveland Clinic in Ohio. The disease recurs in about half of those patients, he added.

“That would be the major concern,” said Fung, who hasn’t treated Jobs and doesn’t know the details of his case, in a phone interview with Bloomberg on Sunday. “It wouldn’t be a total surprise.”

Neuroendocrine cancer strikes about 3,000 Americans each year, produces high levels of hormones that disrupt digestion and other body functions. Jobs’ medical troubles first became public after a 2004 statement, when he indicated his tumor was caught and removed. The Apple boss hasn’t given a reason for the liver transplant he underwent in 2009.

Jobs looks to have lost a lot of weight. We wish him the very best of luck and a complete recovery.

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