3 mm margin	5 mm margin	10 mm margin	Total by surgical experience
Medical students	1/8	0/8	0/8	1/24 (4%)
Junior medical officers	4/8	1/8	0/8	5/24 (21%)
Surgical registrars	5/8	4/8	2/8	11/24 (46%)
Plastic surgery consultants	3/8	2/8	0/8	5/24 (21%)
Total by margin size	13/32 (41%)	6/32 (19%)	2/32 (6%)