Table 3

Consequences of magnetic resonance cholangiography (MRC) on patient management

Stricture type (patients)	Management based on observed MRC grading3-150	No modified3-151	No modified (theoretical)3-152
I (4)	4: endoscopy or surgery	0	0
II (7)	7: endoscopy or combined procedures	0	0
III (7)	4: percutaneous	4	7
	2: endoscopy (MRC grade II)
	1: ? (MRC unsuccessful)
IV (2)	1: percutaneous	1	2
	1: ? (MRC unsuccessful)

↵3-150 In this column are displayed the treatment choices which would have been made if MRC results had been taken into account;
↵3-151 Number of treatment changes from actual management (see table 2).
↵3-152 Potential number of therapeutic changes if MRC had correctly graded all the patients.