All(mean)	Hospital(range)	Surgeon(range)
Emergency admission	33	24-41	10-50
Dukes's classification A or B	49	43-56	29-68
Curative resection	68	63-75	45-82
Palliative resection	25	15-29	11-48
Postoperative mortality:
Elective	5	0-7	0-17
Emergency	13	9-24	4-38