Tumor de colisión: Metástasis de adenocarcinoma y linfoma folicular en un mismo ganglio linfático / Colusion tumor consisting in a metastatic adenocarcinoma ano follicular lymphoma in the same lymph node: Report of one case

Colusion tumors are defined as the simultaneous presence of two adjacent but histologically distinct tumor types artsing in the same organ or site. The occurrence of these tumors is rare. We report a 52 year-old woman with a colusión tumor consisting of metastatic adenocarcinoma and follicular lymphoma present in the same lymph node, excised from the left supraclavicular space. The patient died four weeks after the diagnosis was made.