Former US president Jimmy Carter (left) at a book signing in March this year, three years after he was diagnosed with brain cancer, and US Senator John McCain, who died of brain cancer on Saturday. Photos: AFP

Why John McCain and Jimmy Carter brain tumours had such different outcomes

United States senator died after a year of treatment, whereas former US president beat cancer after four months of therapy; the difference was that McCain had a glioblastoma, whereas Carter had metastatic melanoma treatable by immunotherapy

Topic |   Health and wellness

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Former US president Jimmy Carter (left) at a book signing in March this year, three years after he was diagnosed with brain cancer, and US Senator John McCain, who died of brain cancer on Saturday. Photos: AFP
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