Synonyms: Undifferentiated gastric carcinoma
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.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Undifferentiated carcinoma of stomach?
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Advocacy Organizations
No Stomach For Cancer
Our mission is to support research and unite the caring power of people worldwide affected by stomach cancer. The organization focuses on advancing awareness and education about stomach cancer, Hereditary Diffuse Gastric Cancer, provides a support network for affected families, and supports research and education efforts for screening, early detection and prevention.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.