A woman lost her spleen during a botched operation intended to remove a kidney at a Hong Kong private hospital.The 57-year-old woman underwent surgery performed by a visiting urologist at St Paul’s Hospital in Causeway Bay on March 25 to remove a tumorous kidney, according to the Department of Health and the hospital.But pathological tests after the surgery showed the organ removed was her spleen, a hospital spokesman said on Wednesday. The doctor, the patient and the department were alerted…