Granular cell myoblastoma of the breast.
D001943:Breast Neoplasms / Q000175:diagnosis* / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D009379:Neoplasms, Muscle Tissue / Q000175:diagnosis* / Q000473:pathology*