Retromammary tumours of the pectoralis major muscle.
D000328:Adult; D001940:Breast; D005260:Female; D005354:Fibrosarcoma / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D009455:Neurofibroma / Q000601:surgery*; D010369:Pectoralis Muscles; D012208:Rhabdomyosarcoma / Q000601:surgery*