Fig. 1: Well differentiated papillary mesothelial tumor.
From: Well differentiated papillary mesothelial tumor: a new name and new problems
A, B Low and high power views of a typical well differentiated papillary mesothelial tumor. This example was an incidental finding during surgery in the peritoneal cavity. Note the expansile myxoid papillae and the single layer of covering mesothelial cells. C BAP1 stain does not show loss.
