The incidence of gastric cancer in men is twice than in women. Stomach cancer , in its early stages , becomes symptomatic, leading the patient to the doctor . For this reason, the disease is in advanced stages at diagnosis. This cancer, is very aggresive , as it may have spread to other organs. The treatment of gastric cancer can be more efficient with better prognosis, if diagnosis is made by early detection of the disease before further spread.
Stomach cancer is classified according to the American Joint Committee on Cancer (AJCC) depending on its position in central tumor (cardia) near the esophagus tumors and peripheral (non cardia) near the pylorus .
Risk factors for stomach cancer is atrophic gastritis , intestinal metaplasia , dysplasia , and infection with Helicobacter pylori , canned food , smoked food , poorly maintained foods , nitrites , nitrosamines , smokers (2-3 times higher frequency) , miners , manufacturers of tires etc.
Rather beneficial are genuine vegetables , fresh fruits , vitamin C, vitamin A, calcium, and foods that contains antioxidants .
What are the most common signs and symptoms of stomach cancer ?
Lack of appetite
Unexpected weight loss
Aversion to meat
Feeling of fullness in the stomach even with taking small quantities of food
Nausea and vomiting
Hematemesis ( vomiting containing blood)
Melena (blood in stools from the upper digestive system has gotten during passage of the gastrointestinal track, black)
How to deal with possible symptoms, such as pain ?
It is important that patients have abdominal gastric pain, should not take medications on their own without consulting their doctor .
Indeed many people following an initial diagnosis of gastritis or ulcer , acquire the habit of taking several medications on their own without re- visit their doctor . But it is possible that repeated pain be due to something else . The doctor may decide after gastroscopy results. This examination can be found in time if there is cancer in the stomach . Taking drugs without medical advice to patients for stomach pains and abdomen , is cause loss of valuable time for the diagnosis of cancer in the stomach .
Which exam diagnosed stomach cancer ?
After past medical history and physical examination the doctor in case you suspect that there is cancer in the stomach, may request general blood test to determine if there is anemia . Also the stool examination can show whether or not there is blood in them ( latent or melaena ) . Imaging tests such as computed tomography , magnetic resonance imaging , X-rays after barium meal , can help in the diagnosis . Gastroscopy from gastroenterologist , allows the examination of the stomach and duodenum .
If suspicious lesions , the biopsies are necessary . Histologic examination will document the existence or not of cancer in the stomach .
How is stomach cancer ?
Surgery is the main treatment for cancer of the stomach. Depending on the clinical presentation will be deciding what type of gastrectomy to be held . Chemotherapy and radiation therapy may further help. Where the surgery can not provide a cure , chemotherapy and radiotherapy can contribute to reducing the palliative treatment of pain and other symptoms .
The median survival after resection is 29-38 months except early gastric cancer which can receive definitive and complete treatment.