cases, lung Week 342: Case 1 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Julie M. Wu, M.D.73. y.o woman with perianeurysmal retroperitoneal fibrosis, hematuria and large RUL lung mass (biopsied). /images/jmw031008/1.1.jpg/images/jmw031008/1.2.jpg/images/jmw031008/1.3.jpg/images/jmw031008/1.4.jpgMalignant mesothelioma, sarcomatoid typeSpindle cell carcinomaHyalinizing granulomaAmyloidoma Loading...