Primary pulmonary cancer colliding with metastatic choriocarcinoma

J Thorac Dis. 2015 Mar;7(3):E28-32. doi: 10.3978/j.issn.2072-1439.2015.01.60.

Abstract

Collision tumors are rare in nature. Although lung is one of the main organs where metastatic tumors may occur, collision neoplasms consisting of a primary lung cancer and metastatic choriocarcinoma have never been reported so far. Here we describe a case of primary squamous-cell lung carcinoma (SCC) colliding with metastatic choriocarcinoma in a 55-year-old woman.

Keywords: Squamous-cell lung carcinoma (SCC); collision tumors; metastatic carcinoma; metastatic choriocarcinoma; pulmonary cancer.