In 1948 Stewart and Treeves recognised and described six cases of lymp
hangiosarcoma arising in the oedematous upper limb of patients who had
previously undergone radical mastectomy and radiotherapy for breast c
arcinoma.1 The incidence of lymphangiosarcoma in such patients is 0.45
%2 and is uniformly aggressive and fatal, with a 5-year survival of le
ss than 5% regardless of the treatment modality.3 We present a case re
port to increase the clinical awareness of this rare and fatal iatroge
nic complication occurring subsequent to breast cancer treatment, and
speculate on ways of improving survival.