Former Ultimate Fighting Championship middleweight titleholder Anderson Silva underwent surgery to remove his gallbladder this week, necessitating the cancellation of his scheduled bout with Uriah Hall at UFC 198 on Saturday in Curitiba, Brazil.Silva’s physical trainer, Rogerio Camoes, said “The Spider” told him that he planned to return at UFC 200 . The UFC has given no indication that Silva is in its plans for the landmark July 9 event.“Thank God everything went fine and Anderson is already planning his return,” Camoes told Sherdog.com. “He told me, ‘Master, pack everything up. We’re going to UFC 200.’ The most important thing is that he kept his mind strong and didn’t lose his motivation. On the contrary, he’s really motivated to take part at that historical UFC 200 event.”Silva’s doctor, Marcio Tannure, discussed the events leading up to his surgery.“He called after midnight on Monday, complaining of severe abdominal pain,” Tannure said. “I told him to go to the hospital and get some bloodwork done. He did that early in the morning on Tuesday, but nothing was detected. He went home and there was still pain and a fever, so I asked him to meet with Dr. Fernando Bassan at another hospital. Dr. Bassan detected an inflamed gallbladder. Unfortunately, that’s a common ailment with no specific cause. I sent him to Dr. Armando Porto to have surgery, and everything went perfectly. He’ll leave the hospital on Friday, but he’ll need between four a six weeks to recover before he can return to training.”