He suggested an infusion of radioactive microspheres into her liver, another procedure she'd never heard of, to treat the liver tumors without chemotherapy.

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He hopes to persuade City of Hope to produce materials for some of his own trials, including a novel treatment for liver tumors.

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Ablation is approved for inoperable liver tumors and painful bone tumors, and doctors are also testing it on kidney tumors, lung tumors and even breast cancers.

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He cooked one liver tumor in August 2002, and in 2004 he and a colleague zapped three more small tumors in her liver and another in her lungs.

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He specialized in surgery for tumors of the pancreas, liver, stomach, esophagus, colon, breast, and other organs.

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He said it was feasible that the technology could be used in the imaging of migraines, tumors, heart, lung and liver conditions.

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While there are some published studies describing liver transplant as a treatment option for neuroendocrine pancreatic tumors, it isn't a common approach, experts said.

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Some 25 trials of Avastin are under way, targeting tumors of the kidney, lung, pancreas and liver.

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