Collision Tumor of Metastatic Lung Adenocarcinoma to Lower Limb Leiomyosarcoma: Case Report and Literature Review
International Journal of Surgical Pathology
Published online on March 24, 2026
Abstract
International Journal of Surgical Pathology, Ahead of Print.
BackgroundCollision tumors, composed of 2 histologically distinct neoplasms at the same site, are rare. They encompass a variety of subtypes, where either lesion may be benign or malignant and where they may “collide” by direct invasion or metastasis. ...
BackgroundCollision tumors, composed of 2 histologically distinct neoplasms at the same site, are rare. They encompass a variety of subtypes, where either lesion may be benign or malignant and where they may “collide” by direct invasion or metastasis. ...