Staff at the Human Tissue Authority unable to remove body from compartment . Were forced to turn freezer off to thaw body and funeral delayed as a result . At Warwick Hospital body was found to contain brain from another patient . Organ placed inside dead person by mistake following postmortem exam . Gruesome mishaps are among 87 incident recorded by King 's College Hospital last year .
Staff at King 's College Hospital unable to remove body from compartment . Were forced to turn freezer off to thaw body and funeral delayed as a result . At Warwick Hospital body was found to contain brain from another patient . Organ placed inside dead person by mistake following postmortem exam . Gruesome mishaps are among 87 incident recorded by the Human Tissue Authority last year .