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.
The solitary pulmonary nodule, or SPN, can pose a formidable diagnostic challenge. Also known as coin lesions, solitary pulmonary nodules are defined as single nodules under 4 centimeters in diameter.