Collision tumor of the mediastinum: A rare entity

Orit Kaidar-Person, Inna Naroditsky, Ludmila Guralnik, Ran Kremer, Gil Bar-Sela*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A collision tumor is a rare entity consisting of 2 different tumors that, because of proximity, merge together. The diagnosis of a collision tumor requires that the 2 tumors be histologically distinct. This phenomenon has been described mostly at the esophagogastric junction, where a squamous cell carcinoma of esophageal origin collides with a gastric adenocarcinoma. The present case is of 2 histologically distinct tumors with aggressive features occurring at the mediastinum.

Original languageEnglish
Pages (from-to)330-332
Number of pages3
JournalAnnals of Thoracic Surgery
Issue number1
StatePublished - Jan 2013
Externally publishedYes


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