<prompt> In CEAP clinical classification what does C-4b indicateEdemaPigmentation or eczemaHealed venous ulcerLipodermatosclerosis or atrophie blanche  <response>: The CEAP Clinical - Etiology - Anatomy - Pathophysiologyclassifi cation for chronic venous disorders is widely utilised.Clinical classification C0: no signs of venous disease C1: telangectasia or reticular veins C2: varicose veins C3: oedema C4a: pigmentation or eczema C4b: lipodermatosclerosis or atrophie blanche C5: healed venous ulcer C6: active venous ulcer 