NCIt synonyms : Adenocarcinoma of Gallbladder; Adenocarcinoma of the Gallbladder;
NCIt definition : An adenocarcinoma arising from the gallbladder. It is the most common malignant tumor
of the gallbladder and it is usually well to moderately differentiated. The incidence
is higher in patients with gallstones than in patients without gallstones. Signs and
symptoms usually present late in the course of the disease and are reminiscent of
those of chronic cholecystitis including right upper quadrant pain. Histologic variants
include adenocarcinoma of the intestinal type, clear cell adenocarcinoma, mucinous
adenocarcinoma, papillary adenocarcinoma, and signet ring adenocarcinoma.;