A persistent rAsh on the bAcK, chest, And Abdomen A 62-year-old woman presented with an erythematous, pruritic, expanding rash on her back, chest, and left lower abdomen (Figures 1 and 2). It appeared two months earlier and did not improve with conservative home treatment, including application of skin lotion, petroleum jelly, and an over-the-counter topical steroid cream. There was no pain or drainage from the affected area. The patient was diagnosed with breast cancer three years earlier, for which she underwent right simple mastectomy and left modified radical mastectomy.