Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded lungs . Ill - defined nodular opacities within the bilateral lungs , such as that projecting over the anterior right 4th rib and the posterior left seventh rib , have been present since ___ . Some of these appear dense , and may represent calcified granulomas . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
No acute cardiopulmonary process .