Table II. Analysis of PET–CT based on the detection of residual disease in the various regions on the final histopathological assessment (n = 24).

	Specificity	NPV	Accuracy
Scar	80	80	66.6
GB fossa	89.4	94.4	85.7
Liver metastasis	100	100	100
Hepatic node	100	95.2	95.2
Portal node	100	90.4	90.4
Retroduodenal node	95.2	100	95.2
Pericholedochal node	100	90.4	90.4
Paraaortic node	100	100	100
Regional disease	80.9	85	70.8