Symptoms of gastrointestinal cancer

Tumor symptoms are closely related to tumor location, tumor size and tumor pathological stage. If benign tumor, it often shows local compression symptoms, which may cause abdominal pain and affect food digestion and absorption, showing some symptoms of dyspepsia. If ulcerative tumor, it will cause ulcer or even necrosis of intestinal mucosa, showing abdominal pain and diarrhea accompanied by purulent stool. Gastrointestinal malignant tumor often occurs more insidious, early malignant tumor may be found in physical examination, malignant tumor progressive development will show general fatigue, weight progressive decline, anemia and other performance, at the same time tumor focus site will also show secondary infection, tumor necrosis caused by infiltration of other tissues, even show distant metastasis caused by more serious symptoms.