Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . The lungs are hyperexpanded , but clear of consolidation or large effusion . The cardiomediastinal silhouette is unchanged and notable for an ectatic aorta . Probable calcified left hilar lymph nodes are again noted . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .