Week 395: Case 6

1. Presented by Peter Illei, M.D. and prepared by Andrea Subhawong, M.D.

67 year old female with a prior history of malignancy and a new 1.5 cm left upper lobe mass. H/E sections of the tumor are shown as well as CD20 (image 4) and CD43 (image 5) immunostains.

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