Large portal vein tension. The chance of bleeding boosts as the force inside the portal vein will increase. The veins around the anus are likely to extend stressed and should bulge or swell. Hemorrhoids can create from increased force within the decreased rectum as a result of: 初级医疗护理专业人员可能建议您去看专门诊治静脉状况的医生（即静脉科医生或血管外科医生）或治疗皮肤状况的医生（... https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/