Japan's Emperor Akihito (2nd L) and Empress Michiko (L) bow to doctors before leaving the University of Tokyo Hospital for the Imperial Palace in Tokyo March 4, 2012. Akihito was discharged from hospital on Sunday following successful coronary bypass surgery, media reported. Akihito, 78, wants to attend a state memorial service to mark the anniversary of the March 11 earthquake and tsunami, although doctors have told him that he should not return to official duties for at least a week, newspapers said. [Photo/Agencies]