Leg ulcers that do not heal.

This publication has 3 references indexed in Scilit:

• Basal cell carcinomatous changes on the lower leg: a possible association with chronic venous stasis
  Histopathology, 1983
• Neoplastic Disease Occurring in Varicose Ulcers or Eczema: A Report of Six Cases
  British Journal of Cancer, 1952
• EPITHELIOMA AND THE CHRONIC VARICOSE ULCER
  Published by American Medical Association (AMA) ,1925