Vein Health Education: venous disease is graded in stages. This video demonstrates stage 5 disease, which means that the patient has a healed venous ulcer. He also has spider veins (C1), varicose veins (C2), Swelling (C3), hyperpigmentation (C4). What are the subtypes of venous disease ? Stage 1 - spider veins Stage 2 - varicose veins Stage 3 - swelling Stage 4 - bronzing of the skin Stage 4a - venous stasis dermatitis (rash) Stage 4 b - lipodermatosclerosis Stage 4c - corona phlebectatica Stage