Cholangiocarcinoma is a aggressive form of cancer that orginates from the cells lining the bile ducts. These ducts are thin tubes that carry digestive fluid bile from the liver and gallbladder to the small intestine. The disease is characterized by its difficulty in early detection and limited treatment options, often leading to a poor prognosis. Symptoms may include jaundice, abdominal pain, weight loss, and itching, but they usually appear in later stages, making early diagnosis challenging. Cholangiocarcinoma can be classified into intrahepatic, perihilar, and distal types, based on the location of the tumor. Risk factors for this cancer include chronic liver diseases, bile duct stones, and certain liver infections. Treatment options depend on stage and location of the tumor and may involve surgery, radiation therapy, and chemotherapy. Research is ongoing to find more effective treatments and to understand the underlying genetic and environmental factors contributing to its development.