Gallbladder Cancer Signs and Symptoms or Lack of Symptoms

What are the signs and symptoms of gallbladder that you should know?  Gallbladder Cancer May Not Have Symptoms or Signs
Unfortunately, from a diagnosis standpoint, gallbladder cancer does not often have symptoms in the early, most curable stages of the disease.  Many of the signs and symptoms of gallbladder cancer occur when the tumor is already in the advanced stages or when it has spread to nearby organs.

http://cancer.about.com/od/gallbladdercancer/a/gallbladdersymp.htm