Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . No prior . Linear opacities at the left lung base are most suggestive of atelectasis . Calcified granuloma is seen in the right mid lung . Lungs are otherwise clear . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .