Endoscopy is a noninvasive alternative to surgery for foreign object removal from the gastrointestinal tract.
- Arthroscopy: joints
- Bronchoscopy: lungs
- Colonoscopy and sigmoidoscopy: large intestine
- Cystoscopy and ureteroscopy: urinary system
- Laparoscopy: abdomen or pelvis
- Upper gastrointestinal endoscopy: esophagus and stomach