Endoscopist/clinical error | 16 (73%) |
Lesions not seen | 6 (27%) |
Lesions seen, but not biopsied | 3 (14%) |
Lesions seen, but biopsy was benign | 3 (14%) |
Inadequate number of biopsies (sampling error) | 2 (9%) |
Follow-up delays | 2 (9%) |
Pathologist error | 6 (27%) |
Total | 22 (100%) |