Princess Yuriko, the oldest member of Japan's imperial family and great-aunt of Emperor Naruhito, was released from hospital Thursday after receiving treatment for an abnormal heart rhythm, the Imperial Household Agency said.The 97-year-old princess, the widow of Prince Mikasa, was admitted to St. Luke's International Hospital in Tokyo on Monday. Upon her release, she was displaying a healthy complexion and a good appetite, the agency said.The princess was initially expected to stay at the hospital for about a week, but was released sooner as her symptoms subsided shortly after her hospital…READ FULL ARTICLE