coronavirus during her stay in the hospital, a nurse tried to perform a swab test for the woman through her neck tube.But the swab, which is designed to snap to fit into its test tube, fell through the breathing hole while sweeping for tissue samples.A tubular camera video shared by British Medical Journal Case Reports Journal shows the moment the swab is found lodged in the airway inside the woman's lung.The snapped swab is barely visible as the patient breathes.It did not show up on an X-ray scan after the incident, the medics mentioned in the report.Doctors at the University Hospitals of Leicester NHS Trust had to remove the swab using a flexible bronchoscopy.According to the report, the patient had recently had a neurosurgery to remove.