MedGen

In a review article on the genetic predisposition to gastric cancer, Bevan and Houlston (1999) concluded that several genes may be associated with an increased risk of gastric cancer. Gastric cancer is a manifestation of a number of inherited cancer predisposition syndromes, including hereditary nonpolyposis colon cancer (HNPCC1; see 120435), familial adenomatous polyposis (FAP; 175100), Peutz-Jeghers syndrome (PJS; 175200), Cowden disease (CD; 158350), the Li-Fraumeni syndrome (151623), and diffuse gastric and lobular breast cancer syndrome (DGLBC; 137215). Canedo et al. (2007) provided a review of genetic susceptibility to gastric cancer in patients infected with Helicobacter pylori (see 600263). [from OMIM]

A malignant tumor arising from epithelial cells. Carcinomas that arise from glandular epithelium are called adenocarcinomas, those that arise from squamous epithelium are called squamous cell carcinomas, and those that arise from transitional epithelium are called transitional cell carcinomas (NCI Thesaurus). [from HPO]

A non-neoplastic or neoplastic disorder that affects the stomach. Representative examples of non-neoplastic disorders include gastritis and gastric ulcer. Representative examples of neoplastic disorders include adenomas, carcinomas, and lymphomas. [from NCI]

A tumor (abnormal growth of tissue) of the stomach. [from HPO]

A tumor (abnormal growth of tissue) of the digestive system. [from HPO]

A tumor (abnormal growth of tissue) of the gastrointestinal tract. [from HPO]

Undifferentiated carcinoma of stomach is a rare epithelial tumour of the stomach that lacks any features of differentiation beyond an epithelial phenotype. The presenting symptoms are usually vague and nonspecific, such as weight loss, anorexia, fatigue, epigastric pain and discomfort, heartburn and nausea, vomiting or hematemesis. Patients may also be asymptomatic. Ascites, jaundice, intestinal obstruction and peripheral lymphadenopathy indicate advanced stages and metastatic spread. [from ORDO]