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Indications for colonoscopy in 337 patients/382 colonoscopies
| Abnormality on barium enema | 176 | |
| Follow up following endoscopic polypectomy | 69 | |
| Histology | ||
| Adenoma | 21 | |
| Carcinoma | 48 | |
| Follow up following surgical resection | 59 | |
| Histology | ||
| Adenoma | 5 | |
| Dukes' A–C cancer | 51 | |
| Other | 3 | |
| Symptoms (abdominal pain, anal bleeding, etc.) | 40 | |
| Follow up following previously detected polyp | 16 | |
| Other | 22 | |
| Total No of colonoscopies | 382 |
