Colon also called large intestine is the last part of gastrointestinal tract. Colon cancer arises from inner lining of the colon.

Rectal cancer and colon cancer are generally clubbed together and discussed as colorectal cancer. Rectal cancer begins in the innermost layer, mucus-producing cells that line the rectum.

Pancreatic cancer, which is an uncontrolled growth of the pancreas cells, often starts in the exocrine portion and is known as the pancreatic adenocarcinoma.

Various solid and cystic lesion can occur in pancreas, can be both benign and cancerous.

The term periampullary cancer includes cancer occurring around the ampulla of Vater. These are the cancer of the head of the pancreas, distal bile duct (cholangiocarcinoma), duodenum and ampulla.

Liver is vulnerable to several types of cancers, such as Hepatocellular Carcinoma, Intrahepatic Cholangiocarcinoma and Hepatoblastoma

Cholangiocarcinoma (Bile duct cancer), like any other cancer, leaves a person physically, mentally and emotionally drained.

Gallbladder cancer affects the gallbladder, a small pear-shaped organ located in your upper abdomen next to the liver.

When bile duct cancer affects the bile ducts which are still in the liver (intrahepatic ducts) it is called intrahepatic cholangiocarcinoma.

When bile duct cancer affects the confluence of left and right hepatic duct it is called hilar cholangiocarcinoma.

In esophageal cancer, a malignant tumor forms in the inner lining of the esophagus and then it advances and spreads.

Stomach wall is made of five layers of tissue. Stomach cancer begins in the inner most layer, mucus-producing cells that line the stomach. It then advances and spreads.

Gastrointestinal stromal tumors (GISTs) are soft-tissue tumours that can be located in any part of the digestive system. Their most common sites are the stomach and small intestine.