[Synchronous lung cancer; clinical case of triple lung carcinoma]. / Cancro del polmone sincrono: caso clinico di triplice carcinoma polmonare.

The case of a 57-year-old man with three synchronous malignancies of the lung (adenocarcinoma, small cell carcinoma, squamous carcinoma in situ) is presented. This is one of the few cases reported in the literature with three different histologic types in the same pulmonary lobe.