Joanne Thompson, aged 39, disappeared after leaving Doncaster Royal Infirmary at around 9.45pm yesterday. CRIME: Christmas sparks traumatic memories for Doncaster man left for dead in horror Boxing Day attack There were concerns for her welfare because she has been receiving long-term care at the hospital. POLICE: Sheffield men arrested over heroin and crack cocaine seized in crime blitz in Rotherham READ MORE: Drugs, weapons and mobile phones seized by police in week of action at Doncaster jail No other details have been released.