Table VI. Comparison of operative findings with CT and MRCP in both groups.

Characteristic	Benign stricture			Malignant stricture
	CT	MRCP	Surgery	CT	MRCP	Surgery
Mass	3	3	3	11	11	15
Lymph node	5	NA	8	7	NA	14
Atrophy/hypertrophy complex	4	4	4	8	8	8

NA, not applicable.