Country music star Toby Keith said Sunday, June 12, that he has stomach cancer. He said in a statement posted on Twitter that he was diagnosed last fall and has undergone chemotherapy, radiation treatment and surgery. “So far, so good,” he wrote. “I need time to breathe, recover and relax.” Keith said he is “looking forward to spending this time” with his family. “But I will see the fans sooner or later,” he wrote. “I can’t wait.” The 60-year-old artist released his debut album, “Toby Keith,” in 1993, according to IMDb. It contained his first chart-topping song, “Should’ve Been A Cowboy.” He’s…