What are the symptoms of stomach cancer?

Written by Liu Liang
Oncology
Updated on September 03, 2024
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Symptoms of gastric cancer, especially in the early stages, generally include nausea, vomiting, loss of appetite, discomfort or bloating in the upper abdomen, pain, and acid reflux as some of the gastrointestinal symptoms, as well as vomiting blood and black stools. Black stools are tar-like stools, and their occurrence indicates bleeding in the upper gastrointestinal tract. Additionally, if the tumor causes pyloric obstruction, the patient will vomit food eaten the night before, be completely unable to eat, and experience a significant weight loss. In even more advanced stages, gastric cancer patients may develop a cachectic state.

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Written by Liu Liang
Oncology
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How is gastric cancer caused?

The causes of gastric cancer are not yet clearly understood. However, its occurrence is associated with poor dietary habits, such as irregular eating—sometimes skipping a meal, sometimes overeating, not having meals on time—and consuming pickled food, barbecued junk food, and other unhealthy dietary practices. Additionally, smoking, alcohol consumption, infection with Helicobacter pylori, chronic gastric diseases such as atrophic gastritis, and genetic factors are all somewhat related to the development of this condition.

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Written by Liu Liang
Oncology
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How to check for gastric cancer?

When clinical symptoms such as nausea, vomiting, gastric distension or upper abdominal pain, acid reflux, or hematemesis, as well as melena occur, it is necessary to consider the possibility of gastric cancer and seek timely medical attention. Completing a gastroscopy and obtaining a biopsy under gastroscopy are essential. If cancer cells are found, this is the most important diagnostic method for confirming gastric cancer. After the diagnosis of gastric cancer, further examinations like endoscopic ultrasound and CT scans of the chest and abdomen are required to assess the approximate stage of the patient and to decide the subsequent treatment plan.

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Written by Liu Liang
Oncology
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What can someone with stomach cancer eat?

For the diet of stomach cancer patients, they should focus on eating easily digestible foods and maintain a balanced diet with frequent small meals. They can eat meat, eggs, vegetables, and fruits. However, they should avoid cancer-causing foods such as pickled products and barbecued foods, as well as overly greasy or hard-to-digest foods. There are no specific dietary prohibitions. As long as the patient has a good appetite and can tolerate food, they can eat many types of food.

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Written by Liu Liang
Oncology
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What are the symptoms of stomach cancer?

Symptoms of gastric cancer, especially in the early stages, generally include nausea, vomiting, loss of appetite, discomfort or bloating in the upper abdomen, pain, and acid reflux as some of the gastrointestinal symptoms, as well as vomiting blood and black stools. Black stools are tar-like stools, and their occurrence indicates bleeding in the upper gastrointestinal tract. Additionally, if the tumor causes pyloric obstruction, the patient will vomit food eaten the night before, be completely unable to eat, and experience a significant weight loss. In even more advanced stages, gastric cancer patients may develop a cachectic state.

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Written by Liu Liang
Oncology
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What are the symptoms of gastric cancer?

The symptoms of gastric cancer patients are generally common gastrointestinal symptoms such as nausea, vomiting, acid reflux, and discomfort and bloating in the upper abdomen, especially aggravated after eating. As the condition progresses, symptoms may include vomiting blood or black stools. When the cancer invades surrounding organs, clinical symptoms such as abdominal effusion, abdominal distension, and pain may occur. If the tumor is located near the pylorus and causes pyloric obstruction, symptoms of pyloric obstruction will appear, such as gastric retention, acid reflux, and vomiting of overnight food. Additionally, if the tumor bleeds, it may cause severe vomiting of blood. Therefore, different stages of the disease present different symptoms. If gastric cancer progresses to the late stage with metastasis to distant organs, clinical manifestations corresponding to the sites of metastasis will also appear.