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.
More than half of all solitary pulmonary nodules are noncancerous (benign). Benign nodules have many causes, including old scars and infections. Infectious granulomas (reactions to a past infection) cause most benign lesions.