Post mortem or post hoc. The necessity for autopsy.
D000368:Aged; D000671:Amputation, Surgical; D000775:Anesthesia, Spinal / Q000009:adverse effects*; D001344:Autopsy; D005260:Female; D005734:Gangrene / Q000601:surgery; D006801:Humans; D007866:Leg / Q000601:surgery; D013118:Spinal Cord Diseases / Q000150:complications*