Chemotherapy for postmastectomy lymphangiosarcoma.

Twenty-two patients with postmastectomy lymphangiosarcoma have been seen at M. D. Anderson Hospital during the past 20 years. Of these, 13 received chemotherapy, either regionally, systemically, or both. Six patients were treated with regional chemotherapy using either methotrexate alone, a combination of melphalan, nitrogen mustard, and actinomycin D, or a combination of melphalan with nitrogen mustard or actinomycin D; 3 achieved a partial or complete response. Eleven patients received 19 trials of systemic chemotherapy; one complete and seven partial responses were observed, giving an overall response rate of 42% (8/19). Responses occurred with 5-fluorouracil, methotrexate, a combination of vincristine, actinomycin D, and cyclophosphamide, and a combination of Adriamycin and dacarbazine with or without vincristine. The median survival time of the six patients who responded to at least one chemotherapeutic trial was 26.5 months compared with four months for the five patients who failed to respond. These data indicate that chemotherapy may play a significant role in the treatment of patients with this rare but distinctive tumor.