input: [Complication] Leg venous stasis and ulcers [What problems does it cause?] Can predispose to cellulitis, infection of the skin [What is it?] 
output: Venous stasis: Your skin thickens and looks shiny or scaly, your hair might also fall out, your skin may also turn brown or reddish. Ulcers: Injuries to your swollen legs cause fluid to constantly ooze out of cuts in your skin.