早期胃癌多无明显症状,少数人可有恶心、呕吐、类似溃疡病的上消化道症状。因此,早期胃癌的诊断率很低。上腹部疼痛、食欲下降、体重减轻是进展期胃癌的最常见症状。胃镜是发现胃肿瘤的最佳手段。对于胃黏膜糜烂、溃疡、肿块等病变,可以取材活检,做出病理诊断。现代胃镜技术还能够对微小肿瘤、黏膜内癌进行胃镜下切除,真正达到微创治疗的目的。大便隐血试验可以检查出消化道的微量出血(5毫升),是当今胃肠道肿瘤普查 No obvious symptoms of early gastric cancer, a few people may have nausea, vomiting, ulcer disease similar to upper gastrointestinal symptoms. Therefore, the early diagnosis of gastric cancer is very low. Upper abdominal pain, loss of appetite, weight loss are the most common symptoms of advanced gastric cancer. Gastroscopy is the best way to find a stomach tumor. For gastric mucosal erosion, ulcers, lumps and other lesions, can be drawn biopsy to make pathological diagnosis. Modern gastroscopy technology can also be fine tumors, mucosal cancer endoscopic resection, and truly achieve the purpose of minimally invasive treatment. Stool occult blood test can detect the trace of gastrointestinal bleeding (5 ml), is the current gastrointestinal cancer screening