The main organs of the digestive system form a tube that is open at both ends (mouth and anus). This is known as the gastrointestinal (GI) tract or alimentary canal.

Organs in the GI tract are: 

• Mouth 
• Esophagus 
• Stomach 
• Intestines
  
• Appendix
• Pancreas
• Liver
• Gallbladder and biliary tree
• Rectum
• Anus

Cancers of the GI tract make up about 15% (15 out of 100) of cancers diagnosed in all genders. [See note below on statistics]

For health professional information on treating these cancers, please see our Cancer Management Manual.

^{NOTE:  Available statistics do not have information about the inclusion of transgender and gender diverse participants. It is unknown how these statistics apply to transgender and gender diverse people.  Patients are advised to speak with their primary care provider or specialists about their individual considerations and recommendations.}