About Stomach Cancer


About Stomach Cancer

At Penn Medicine, patients with stomach cancer receive their care from a multidisciplinary team of nationally recognized experts in the diagnosis, treatment and research of gastrointestinal cancer.

Stomach cancer, also called gastric cancer, is cancer that forms in tissues that line the stomach. The stomach is a hollow organ in the upper abdomen, just under the ribs. Its primary function is to receive food from the esophagus, digest it and turn it to liquid/semi-liquid and send it through the lower digestive tract.

The stomach has five layers:

  • Inner layer: lining of the stomach
  • Submucosa: support tissue for inner layer
  • Muscle layer: muscles of the stomach
  • Subserosa: support tissue for the outer layer
  • Outer layer: outer lining, also called serosa

The most common type of stomach cancer is called adenocarcinoma. Adenocarcinoma is cancer that starts in cells that have gland-like properties within the tissues that line the inside of the stomach.

Other types of stomach cancer include:

  • Lymphoma
  • Leiomyosarcoma
  • Stromal Tumor (GIST)

These types of stomach cancer are relatively uncommon.

Stomach cancer is relatively uncommon in the United States, and its rate of incidence has declined over in the past decades. Experts believe this decline may be due, in part, to the reduced intake of salted, cured and smoked foods.

Penn Medicine’s multidisciplinary approach to cancer diagnosis and treatment provides better outcomes and gives patients access to the most advanced treatment, surgical techniques and clinical trials.

Because navigating a cancer diagnosis and treatment options can be difficult, patients who wish to connect with a cancer specialist at Penn Medicine can speak with a cancer nurse, who can help them make an appointment with the right physician.

To connect with a cancer nurse at Penn Medicine, patients should call 800-789-PENN.