cases, mediastinum Week 413: Case 2 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Alex Chang, M.D.66 y.o. white male patient with a 14.5 cm mediastinal mass that was attached to the pulmonary ligament.Solitary fibrous tumorLeiomyomaLeiomyosarcoma, low gradeDesmoplastic mesothelioma 1. Presented by Peter Illei, M.D. and prepared by Alex Chang, M.D.66 y.o. white male patient with a 14.5 cm mediastinal mass that was attached to the pulmonary ligament.