Primary osteogenic sarcoma of the penis co-existing with squamous-cell carcinoma. A collision tumour.
D002294:Carcinoma, Squamous Cell / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary; D012516:Osteosarcoma / Q000150:complications*; D010412:Penile Neoplasms / Q000150:complications*