Appendicectomy Breast Biopsy Breast Reconstruction Cholecystectomy Colectomy Colonoscopy Colostomy Gastrectomy Gastroscopy Haemorrhoid Removal Hernia Repair Mastectomy Parathyroidectomy Parotidectomy Rectal Resection Sigmoidoscopy Skin Biopsy Skin Lesion Excision Thyroidectomy Varicose Veins