欢迎订阅频道:https://www.youtube.com/channel/UCkucwd-6tng9xoRcPsol6Xw/?sub_confirmation=1 内科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV3uqQEfeF0mP8HgNcE_lTJ0 外科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV2XIi_Zmy8hKcDbGAukg1f4 妇产科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV3scVdFzj1EslwQutpsGXIG 儿科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV3ZnbE2emxJ27dkTG5e2aDW 男科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV2_bNY8idyNEwq_Z1yNiHOJ 皮肤性病科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV39wAQkKoB1z7HfUhuosfsw 五官科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0STzjaiPMpWMhlPz856LEZ 肿瘤科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV1-a7c4nBDvCIFipSdgqaiR 精神心理科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV224WzRt9pwtvV7Znmmcbx4 不孕不育:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0ZJqmXnY2JH1Y_0eT2JGZc 医学影像学:https://www.youtube.com/playlist?list=PLcp9vkDA2gV21gCJvZIBYTRKi7ScCpmLA 其他:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0ypfY6paSZgJ-CR4f3sqc6 中医科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0PIDg0o2KRBfR5va3lTvzp 肠道肿瘤尤其结直肠肿瘤，早期无任何症状，部分患者可出现大便习惯改变、大便潜血，此时建议患者进一步检查，如能早期发现肿瘤、早期诊断、早期治疗，预后相对较好。高发人群建议定期进行大便潜血试验、肿瘤标记物检测。年纪超过50岁者，建议每五年进行一次结肠镜，可发现早期病变，以免由于早期症状不典型而延误诊断和治疗。