“…The other manifestations and complications include jaundice, cholangitis, tumour rupture [114], haemorrhage [115], compression of the portal or caval veins with possible subsequent ascites [113], hemobilia [12] and mucobilia [116]. Notably, the tumour can progress slowly [117] with the clinical history of biliary cystadenocarcinoma as long as 10-15 years [112,118]. The long course is is in accordance with the low grade of malignancy and gradual development of tumour through stages of increased epithelial proliferation, dysplasia, in situ cancer and, finally, invasive cancer.…”