When cancer has spread through the bloodstream,often the secondary cancer site is discovered first.

Question

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When cancer cells spread through the bloodstream, they can settle in different parts of the body and form new tumors, known as metastases. Sometimes the symptoms caused by these metastases are what lead to the diagnosis of cancer, and the primary tumor may not be discovered until later. Therefore, the secondary cancer site may be discovered first.

When Cancer Has Spread Through the Bloodstream,often the Secondary Cancer