%0 Journal Article %T Primary pulmonary cancer colliding with metastatic choriocarcinoma %A Wang, Zheng %A Si, Jingwen %A Liu, Jingwei %J Journal of Thoracic Disease %D 2015 %B 2015 %9 %! Primary pulmonary cancer colliding with metastatic choriocarcinoma %K %X 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. %U https://jtd.amegroups.org/article/view/4122 %V 7 %N 3 %P E28-E32 %@ 2077-6624