The first full weekend of the 2015 NCAA Tournament wrapped up Sunday with 16 teams punching their tickets to the Sweet 16. [ View the complete bracket-PDF ].
A solitary pulmonary nodule is a round or oval spot (lesion) in the lungs that is seen with a chest x-ray or CT scan.
From Wikipedia, the free encyclopedia. In radiology, a solitary pulmonary nodule (SPN) or coin lesion is a mass in the lung smaller than 3 centimeters in diameter. It can be an incidental finding found in up to 0.2% of chest X-rays and around 1% of CT scans.