A member asked:

Is it normal for a 4mm lung nodule to go from that to full blown lung cancer and spread to liver in just 4 months?

A doctor has provided 1 answer
Dr. Silviu Pasniciuc answered

Specializes in Internal Medicine

Not uncommon: Metastatic lesions only with unknown primary (origin cannot be found) constitute a specific type of cancers. The point is that the size of the primary tumor is not predictive of the stage. Not to mention that in this type of scenario it is assumed that the lesions described are related, but that may need to be proven with biopsies.

Answered 11/28/2017

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