Former Empress Michiko successfully underwent surgery for a broken right femur Tuesday morning, the Imperial Household Agency said.The 89-year-old former empress experienced severe pain in her right leg after losing her balance and falling at her residence on Sunday evening, with a hospital examination the following afternoon revealing a fracture in the upper part of her thighbone, the agency said.The empress, who was admitted to the University of Tokyo Hospital, entered the operating room at 5 a.m. on Tuesday and returned to her ward around 7:20 a.m. She is expected to remain in hospital f…READ FULL ARTICLE