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.
A solitary pulmonary nodule (SPN) is a round or oval opacity smaller than 3 cm in diameter that is completely surrounded by pulmonary parenchyma and is not associated with lymphadenopathy, atelectasis, or pneumonia (1) (Fig 1a).