"Qi-like" abdominal mass
An "air-like" mass in the abdomen is a symptom of colon cancer. Colon cancer is more common in middle-aged and elderly people, and over 30-69 years old account for most men than women. The early symptoms are not obvious. The common symptoms of nausea in middle and advanced patients are abdominal pain and digestive tract irritation, abdominal masses, changes in bowel habits and stool characteristics, symptoms caused by anemia and chronic toxin absorption, and bowel obstruction.
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