Collision tumor of primary malignant lymphoma and adenocarcinoma in the colon diagnosed by molecular pathology: A case report and literature review

Figure 2 Low power view of the mass. Microscopic examination disclosed that the tumor was composed of two components, adjacent to each other but relatively independent and showing infiltrative glands (black arrow) with underlying lymphoid proliferation (orange arrow) (Hematoxylin and eosin, original magnificent 20×).