Gallbladder cancer >Incidence o Cancer of the gallbladder is two to three times more common in women than men, in part because of the higher incidence of gallstones in women More than 75% of patients with this malignancy are older than 65 years o The incidence of gallbladder cancer varies considerably with both ethnic background and geographic locationGallbladder Cancer ◆ Cancer of the gallbladder is two to three times more common in women than men, in part because of the higher incidence of gallstones in women. ◆ More than 75% of patients with this malignancy are older than 65 years. ◆ The incidence of gallbladder cancer varies considerably with both ethnic background and geographic location. ➢Incidence