cases, lung Week 523: Case 3 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Robert E. LeBlanc, M.D.74 year old male patient with a history of COPD and a 3.5 cm left lower lobe infiltrate. AZ CT guided biopsy of the mass was performed.images/C12-16302 muc ACA 20Xb.jpgimages/C12-16302 muc ACA 40Xb.jpgimages/C12-16302 muc ACA 40Xd.jpgimages/C12-16302 Napsin 40X.jpgMucinous broncoalveolar carcinoma (mucinous adenocarcinoma in situ)Well-differentiated mucinous adenocarcinoma of lungMetastatic mucinous adenocarcinoma Loading...