Cancer treatment: The killer within

Cancer treatment: The killer within
The immune system can be a powerful weapon against cancer — but researchers are still grappling with how to control it.

The first tumour was a small melanoma on the left side of attorney Mark Gorman's neck. Doctors removed it, and assured him that the cancer was gone.

But eight years later, in 1998, a physician felt Gorman's abdomen during a routine physical examination, arched an eyebrow, and asked if he had become a heavy drinker. The melanoma had spread to Gorman's liver, seeding an inoperable beast of a tumour that wrapped around the inferior vena cava carrying blood to his heart.


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