A 35-year-old member asked:
What's primary vs secondary cancer?
1 doctor answer • 5 doctors weighed in
Pathology 51 years experience
Origin and spread: Primary cancer of an organs is one that originated in that organ, e.G, lung cancer in smokers. Seconday cancer is one that spread from one organ to another, e.g., lung cancer spreading to liver, brain, bone etc would be secondary cancer for liver, brain, bone etc.
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Last updated Dec 27, 2013
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