Boston Scientific Corp. (BSX) recently received 510(k) clearance from the U.S. Food and Drug Administration (FDA) and CE Mark approval to market its WallFlex Fully Covered Esophageal Stent in the U.S. and Europe. The new product is used for the treatment of malignant esophageal strictures (obstructions) caused by tumors in patients with resectable or non-resectable [...] (BSX) Boston Scientific Earns FDA Clearance