在消化道恶性肿瘤中,原发性大肠恶性肿瘤是比较常见的疾患,其发生率仅次于胃癌。而本病预后之优劣,在于早期诊断及彻底的外科手术治疗,但因本病早期证状往往隐不显,且部分医师对本病尚缺乏足够的警惕性,因而临床所见的病例,多已属晚期,难以手术根治。鉴于目前国内文献对本病极少报导,故将我院近七年内所见的原发性大肠恶性肿瘤119例加以分析,并描述其临床类型,且对诊断问题也略加讨论,以 In gastrointestinal malignancies, primary colorectal malignancies are the most common disorders, the incidence of which is second only to gastric cancer. The prognosis of the disease is the pros and cons of early diagnosis and thorough surgical treatment, but the early symptoms of the disease are often hidden is not obvious, and some physicians still lack of adequate vigilance of this disease, and thus clinically seen cases, Many are late, difficult to cure. In view of the current domestic literature rarely reported on this disease, it will be seen in our hospital within the last seven years, 119 cases of primary malignant tumors were analyzed and described the clinical type, and diagnosis of the problem is also slightly discussed to