For patients with suspected non-small-cell lung cancer, adding endosonography before surgical staging improves detection of mediastinal nodal metastases, thus reducing unnecessary thoracotomies by more than half, according to a report in the Nov. 24th issue of JAMA. In addition, because endosonography is minimally invasive, adding this step doesn't raise the rate of complications for staging procedures, said Dr. Jouke T. Annema of Leiden (the Netherlands) University Medical Center and associates.The...