Freezing Out Esophageal Cancer

Patients with esophageal cancer have a new option to ponder: cryospray ablation. A gastroenterologist places a flexible endoscope down the throat of a mildly seated patient. Sprays of liquid nitrogen freeze and kill the abnormal tissue, which sloughs off. In about four weeks, healthy tissue grows in its place. To find a location, go to csamedical.com.