Symptoms stomach cancer
Pro Research Analysisby 
Searched over 200M research papers
Consensus Meter
Symptoms of Stomach Cancer
Common Symptoms of Stomach Cancer
Stomach cancer, also known as gastric cancer, often presents with a variety of symptoms that can be non-specific and easily mistaken for other gastrointestinal issues. The most frequently reported symptoms include persistent indigestion or heartburn (dyspepsia), nausea, feeling full or bloated even after eating small amounts, and pain in the stomach or abdomen. Unexplained weight loss and difficulty swallowing (dysphagia) are also common indicators. Additionally, anemia can be a significant symptom, often resulting from chronic bleeding within the stomach.
Abdominal Pain and Other Gastrointestinal Symptoms
Abdominal pain is a prevalent symptom among patients with stomach cancer. This pain is often described as epigastric pain, which is pain located in the upper abdomen . Other gastrointestinal symptoms include nausea, vomiting, and melena (black, tarry stools indicating bleeding in the stomach) . These symptoms can be particularly challenging for general practitioners to diagnose, as they are common in many other less severe conditions.
Non-Specific Symptoms and Diagnostic Challenges
The non-specific nature of stomach cancer symptoms can lead to delays in diagnosis. Symptoms such as abdominal pain, changes in bowel habits, bloating, and dyspepsia are common in many gastrointestinal disorders, making it difficult to pinpoint stomach cancer without further investigation . In a study involving general practitioners across several European countries, it was found that abdominal symptoms were recorded in 10.1% of patients, but only a small fraction of these cases were subsequently diagnosed as cancer .
Importance of Early Detection
Early detection of stomach cancer significantly improves the prognosis. Symptoms like anemia and persistent indigestion should not be ignored, especially if they are accompanied by other signs such as unexplained weight loss or difficulty swallowing. Endoscopic examinations are crucial for diagnosing stomach cancer, as they allow direct visualization of the stomach lining and can help identify malignant lesions.
Conclusion
Stomach cancer presents with a range of symptoms that are often non-specific and can overlap with other gastrointestinal conditions. Common symptoms include persistent indigestion, nausea, abdominal pain, and unexplained weight loss. Due to the non-specific nature of these symptoms, early detection and diagnosis can be challenging but are critical for improving patient outcomes. If any of these symptoms are experienced persistently, it is important to seek medical advice for further evaluation and appropriate diagnostic testing.
Sources and full results
Most relevant research papers on this topic