The article presents two cases to discuss how annular erythematous patches are signs of the condition called extranodal natural killer/T-cell lymphoma (ENKTL). It claims that ENKTL is a type of lymphoma that is linked to Epstein-Barr virus (EBV) infection. The disease could affect such organs as the small intestine, adrenal gland, and kidneys. Also cited are some symptoms of ENKTL like several skin lesions such as painful subcutaneous nodules, panniculitis-like lesions, and nonhealing ulcers.