Merck Manual

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Stomach Cancer

By

The Manual's Editorial Staff

Full review/revision Jan 2023
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What is stomach cancer?

Cancer Overview of Cancer Cancer is the out-of-control growth of cells in your body. Cells are the tiny building blocks of your body. Cells specialize in what they do. For example, your intestines have muscle cells to... read more is the out-of-control growth of cells in your body. Cells are the tiny building blocks of your body. Cells specialize in what they do. Different organs are made of different kinds of cells. Almost any kind of cell can become cancerous.

The Stomach
VIDEO
  • Symptoms of stomach cancer include discomfort in your belly, weight loss, and weakness

  • Stomach cancer spreads easily to other parts of your body and is often deadly

  • Doctors treat it with surgery

What causes stomach cancer?

What are the symptoms of stomach cancer?

How can doctors tell if I have stomach cancer?

How do doctors treat stomach cancer?

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