a man in a white shirt holds on to the anus the concept of pain in the rectum, hemorrhoids, inflammation

adenoma background cancer chair colitis concept constipation crack diarrhea diarrhoea disease dysbacteriosis enteritis etiopathogenesis fistula haemorrhoid haemorrhoids health hemorrhoid hemorrhoids infection inflammation injury laptop male man medical medicine nerve office pain paraproctitis person piles polyp proctalgia proctitis prostatitis rectum red sciatic stool symptom tenesmus tumor white worker young