There are 5 main types of stomach cancer (gastric cancer) which include:
Adenocarcinoma: This is the most common type
of stomach cancer, 90 to 95 percent of stomach cancer cases, and develops
in the glandular tissues.
Lymphoma: This is a rare type of stomach cancer
that develops in the immune system tissue of the stomach wall.
Leiomyosarcoma: This is a type of stomach cancer
that develops in the stomach muscle layer.
Gastrointestinal Stomal Tumors (GIST): This type
of stomach cancer develops in the tissues which support the digestive
organs. This type of tumor develops in the stomach wall tissues that
contain a specific type of cell called intestinal cells of Cajal.
Gastrointestinal stomal tumors are a rare form of cancer and can occur
anywhere in the gastrointestinal tract. However the majority of GIST
cases occur in stomach.
Carcinoid Tumors: This is another less common
form of stomach cancer that develops in the hormone-producing tissues
of the stomach. Most of these tumors do not spread to other organs.
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