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What are the early symptoms of cancer? Is it indigestion?

Stomach cancer is an early symptom of cancer: the sudden appearance of unexplained indigestion symptoms, which are stubborn and progress rapidly; the most prominent symptoms are rapid loss of appetite, a feeling of fullness and discomfort in the abdomen after eating, and at the same time , the weight was significantly reduced. Or, people who have not had stomach pain ("stomach pain") in the past suddenly develop recurring stomach pain; although they had stomach pain before, the intensity, nature, and onset time of the pain have suddenly changed recently, and the original effective drugs have become ineffective. Or suboptimal.

Esophageal cancer is an early symptom of cancer: slowness, retention or slight choking in swallowing food, which may subside on its own, but may reappear a few days later, with recurring attacks and gradually worsening. Or when swallowing saliva or eating, you always feel localized pain in your sternum. I usually feel that there is a foreign body in the esophagus and it has nothing to do with eating. It persists and drinking water and swallowing food cannot make it disappear.

Early symptoms of cancer: Liver cancer: Early liver cancer has no specific symptoms, and if there are any, they are often complex manifestations of precancerous diseases. However, if patients with chronic hepatitis or cirrhosis experience tingling or worsening pain in the right upper quadrant or liver area, physical discomfort, loss of appetite, progressive indigestion, intractable diarrhea and significant weight loss, they should be highly vigilant.

Early symptoms of cancer: Rectal cancer: Anyone over 30 years old has abdominal discomfort, dull pain, bloating, changes in bowel habits, constipation, diarrhea or alternate occurrences, a sinking feeling, and blood in the bowels , followed by anemia, fatigue, and a lump in the abdomen, the possibility of colorectal cancer should be considered. Among them, localized and intermittent dull pain along the colon is the first alarm signal of colon cancer. An obvious sinking feeling accompanied by blood in the stool is a sign of rectal and ileal cancer (colorectal cancer includes colon cancer and rectal and ileal cancer).

Lung cancer, an early symptom of cancer: Cough is an early symptom of lung cancer. It is characterized by paroxysmal irritative choking cough, a feeling of unclean cough, and generally no phlegm or only a small amount. White frothy sputum, purulent sputum may appear due to secondary infection. If there is no improvement after 2 weeks of anti-inflammatory treatment, you should be alert to the possibility of lung cancer. Or if the nature of the cough changes on the basis of the original chronic cough, or is even accompanied by "tracheal ringing" or "shortness of breath", attention should be paid. Another warning sign of lung cancer is intermittent and recurring small amounts of bloody sputum, or blood streaks in the sputum. In addition, symptoms such as chest and back pain, chest tightness, and fever also occur.