Anoscopy is mandatory to visualize internal<unk> , as they are not visible on inspection of the anal verge or palpable on performing digital rectal exam.
Hemorrhoids other diagnostic studies
Anal fissure risk factors
Lower gastrointestinal bleeding other imaging findings
Diverticulosis risk factors
Rectal prolapse other diagnostic studies
Upper gastrointestinal bleeding causes
Bacterial vaginosis risk factors
Helicobacter pylori infection risk factors