Cholangiocarcinoma (CCA) is a highly aggressive malignancy that emerges from the biliary tree. There are three major classes of CCA—intrahepatic. hilar (perihilar). or distal (extrahepatic)—according to the location of tumor development. https://www.countryscenesaddleryandpetsuppliers.shop/product-category/roping-style-saddle/