Table 2.

FP sources of our MTANN CAD scheme. Folds, flexural pseudotumors, and stool are major sources of FPs.

FP source	No. of FPs
Folds or flexural pseudotumors	25 (40%)
Stool	20 (32%)
Small bowel	4 (6%)
Collapsed colon	3 (5%)
Rectal tubes	3 (5%)
Ileocecal valves	2 (3%)
Miscellaneous sources	6 (10%)