Rivers , 81 , died a week after an appointment at Yorkville Endoscopy clinic . He was found to have cancer of the oesophagus and stomach. It also failed to record Rivers ' weight prior to sedating her , the agency reports .
Rivers , 81 , died a week after an appointment at Yorkville Endoscopy clinic . A federal agency says the clinic failed to identify deteriorating vital signs . It also failed to record Rivers ' weight prior to sedating her , the agency reports .