Table II. Current use of adjuvant radiation therapy, chemotherapy, and chemoradiation in biliary malignancies*.

Treatment	Americas	Asia/Pacific	Europe	Total
Radiation therapy	70%†	40%	29%	59%
Chemotherapy	66%	79%	68%	68%
Chemoradiation	71%†	55%	29%	63%

*Adapted from Pitt et al.¹².

†p<0.05 versus other regions.