A rare case of synchronous multiple primary lung cancer with different responses to gefitinib

Lung Cancer

Respir Med Case Rep. 2020 Oct 24;31:101270. doi: 10.1016/j.rmcr.2020.101270. eCollection 2020.


Differentiating multiple primary lung cancer (MPLC) from lung metastasis is important, and the pathology and gene mutations may be different between the tumors. A lung biopsy to differentiate lesions should be considered, especially when the response of different tumors to treatment is distinct.