The book "The System of Operative Surgery, Volume 4 (of 4)" is a recognized classic in the field of surgery, which describes in detail the methods and operative interventions in the field of medicine. In this fourth part of the publication, the author presents the reader with a wide range of surgical procedures, ranging from simple operations to complex manipulations. The book includes updated methods and techniques that reflect the latest advances in operative surgery. The author considers not only the technical aspects of operations, but also pays attention to patient preparation, postoperative care, and possible complications. System of Operative Surgery, Volume 4 (of 4) is an essential reference for surgeons, medical students, and medical professionals interested in an in-depth study of the methods and principles of surgical treatment.