cases, lung Week 395: Case 6 April 26, 2023 pathadmin 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.images/6.1.09.05a.jpgimages/6.1.09.05b.jpgimages/6.1.09.05c.jpgimages/6.1.09.05d.jpgimages/6.1.09.05e.jpgAdenocarcinoma well differentiated with bronchioalveolar featuresSclerosing non-mucinous broncioalveolar carcinoma with hyperplastic bronchus associated lymphoid tissueSclerosing non-mucinous bronchioalveolar carcinoma with involvement by CLL/SLLMetastatic Warthin tumor Loading...