cases, testis Week 155: Case 1 April 26, 2023 pathadmin 1. Presented by Theresa Chan, M.D. and prepared by Walter Klein, M.D.27-year-old man with a testis mass.Large cell lymphomaSeminomaEmbryonal carcinoma 1. Presented by Theresa Chan, M.D. and prepared by Walter Klein, M.D.27-year-old man with a testis mass.