<prompt> Serum alpha feto protein level is raised in -a Teratomab Seminomac Endodermal sinus tumord HCGabcadac  <response>: Serum alpha feto proetin level is elevated in non seminomatous testicular tumors.Non seminomatous testicular tumors includeYolk sac or endodermal sinus tumorEmbryonal carcinomaTeratomasIt is never elevated in seminomas. Presence of alpha feto protein rules out the diagnosis of seminomas. 