Selena Gomez says suffered from lupus, underwent chemotherapy

(Reuters) - Pop singer and actress Selena Gomez has revealed in an interview that she was diagnosed with the autoimmune disease lupus, which led to her canceling the end of her tour in 2013, but that the disease is now in remission. "I was diagnosed with lupus, and I’ve been through chemotherapy," Gomez, 23, told Billboard magazine. Gomez canceled concerts in Russia and Australia saying at the time that she needed "to spend some time on myself." The move, followed by a stint at an Arizona