<prompt> A middle aged adult undergoes orchiectomy. Looking at the gross and the histological findings, which of the following is the likely diagnosis?LymphomaSeminomaYolk sac tumorTeratoma  <response>: Most common germ cell tumor seen in middle aged adults : seminoma Gross findings : Well circumscribed ;No hemorrhage, no necrosis ME : Tumor cells have distinct cell membrane ;Clear or watery cytoplasm 