A member asked:

Mediastinal lymph node biopsy, small cell lung cancer. lungs clear on ct. is this an unknown primary or not, ie does sclc mean primary must be in lung?

A doctor has provided 1 answer
Dr. Michael Sanders answered

Specializes in Pulmonology

No - primary is SCLC: SCLC often starts in the lymph nodes. By definition, this is a primary lung cancer.

Answered 5/29/2017

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