A baby born weighing just 258 grams looks likely to set a new record as the world's smallest boy to survive, according to a hospital in central Japan's Nagano Prefecture.Doctors are confident that now around 5-month-old baby boy Ryusuke Sekino will soon be able to leave hospital, breaking a record previously set by a child born in Tokyo last August by 10 grams.The survival rate of babies born weighing less than 1 kilogram is about 90 percent in Japan, but that of babies less than 300 grams is low, especially for boys.Doctor Takehiko Hiroma of the Nagano Children's Hospital said at a press c…READ FULL ARTICLE