Prime Minister Shinzo Abe visited a Tokyo hospital Saturday, the first time he has returned since his surprise announcement last month that he will step down due to his battle with a chronic disease.According to the the prime minister's office, Abe spent about four hours at Keio University Hospital receiving treatment for ulcerative colitis, the intestinal disease he suffers from. It was his third visit to the hospital in recent weeks.He gave as a reason for his resignation in an Aug. 28 press conference the need to undergo treatment of the condition with a new drug.Abe visited the hospital…READ FULL ARTICLE