[National statistics on mediastinal neoplasms. 2. National statistics on the clinical characteristics of thymoma].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D008479:Mediastinal Neoplasms / Q000453:epidemiology*; D008875:Middle Aged; D013945:Thymoma / Q000453:epidemiology*