The overall survival of LELC and other types of lung cancer patients. (A) The overall survival of LELC and non-LELC patients; (B) the overall survival of LELC, LCC, AD and SQ patients; (C) the overall survival of postoperative LELC, LCC, AD and SQ patients; (D) the overall survival of non-operative LELC, LCC, AD and SQ patientsLELC, lymphoepithelioma-like carcinoma. LCC, large cell carcinoma; AD, adenocarcinoma; SQ, squamous cell carcinoma.