Thecolon,thelowerpartofthedigestivesystem,processeswasteproductsandpreparesfeces(stool)forelimination(abowelmovement).Theinnersurfaceofthecoloncanhaveabnormalgrowths,bothbenignandmalignant(cancer).Benigngrowthsarecalledpolypsoradenomas.Polyps,ifleftundetected,canbe哪里的白癜风专科医院最好哪家治疗白癜风效果最好
转载注明：
http://www.jwdan.com/alfx/4152.html
