癌组织诊断标准与癌前病变中村恭一迄今，虽然癌前病变尚无明确定义，但是，这些病变的共同特点是放置不治疗就有发展为癌的潜在能力。例如，溃疡性结肠炎经过１０年病程后约有５０％发生癌变。这样病变可称癌前病变。结肠腺瘤是癌前病变早有论述，结肠癌几乎全是由结肠腺... Although the precancerous lesions are not yet clearly defined, the common feature of these lesions is their potential to develop cancer. For example, about 50% of ulcerative colitis develops cancer after 10 years of disease. Such lesions can be called precancerous lesions. Colon adenoma is a precancerous lesion that has long been discussed, colon cancer is almost entirely by the colon gland ...