Hemorrhoids, anal fissures, and fistulas are common benign anorectal diseases that have a significant impact on patients' lives. This book examines state-of-the-art research on the etiology, diagnosis, prevention, and treatment of anorectal diseases. Chapters address both benign and malignant disorders, including hemorrhoids, fissures, fistula-in-ano, anorectal injuries, anal incontinence, rectal prolapse, pelvic floor disorders, and anal cancer. The book emphasizes the importance of a multidisciplinary approach.