Group Number of patients Mean size on CCU Mean size on radioisotopic scans of CBTs on the ground of size measurements and relationship with adjacent vessels on CCU of CBTs on the ground of size measurements and relationship with adjacent vessels on radioisotopic scans
I 9 16 mm 18mm well defined not adhering
II 11 28 mm 31 mm partially defined partially adhering
III 7 43mm 47 mm undefined strongly adhering
Table 1: Preoperative classification of CBTs on ground of size measurements and relationship with adjacent vessels on CCU and radioisotopic scans (111In-pentetreotide scintigraphy–SPECT)