Keywords
abdominal pain; appendectomy; appendicitis; cholecystectomy; clinical decision making; Crohn disease; histopathology; human; letter; priority journal; appendectomy; appendicitis; contraindications; differential diagnosis; Russian Federation; unnecessary procedure; Appendectomy; Appendicitis; Diagnosis, Differential; Humans; Russia; Unnecessary Procedures; Appendectomy; Appendicitis; Diagnosis, Differential; Humans; Russia; Unnecessary Procedures