[Chondrosarcoma of the soft parts of the thoracic wall. Apropos of a case after surgery and irradiation of breast adenocarcinoma].

We are reporting here a case of chondrosarcoma of the soft tissues of the thoracic wall. As far as we can tell it is the first case published in the world. The tumour appeared 13 years after radical mastectomy and radiotherapy for an adenocarcinoma of the breast.