Adapt to the department Anesthesia, Respiratory, Thoracic Surgery, etc. Indications Drainage tubes can aid the healing process by removing inflammatory mediators, bacteria, foreign matter, and necrotic tissue. Drains can reduce morbidity and reduce inflammation by relieving pressure that may impair perfusion or cause pain; they can monitor potential complications by easily sampling fluid during the healing process; and they can be used until the pathology report determines that tumor resecti