A 70-year-old woman presented with asymptomatic blue-black discoloration of her legs and sclerae. This patient is most likely undergoing treatment for which condition? Image description (A) Black hyperpigmentation of the legs.

(B) Blue–black hyperpigmentation affecting both sclerae, more prominent on the right. Source: TheLancet *This case is from Docplexus editorial team for educative purpose only