Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were compared to previous exam from ___ . Lungs are hyperinflated but clear of focal opacity . Stable nodular density seen in the left upper lung when compared to prior . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Hyperinflation , but no acute cardiopulmonary process .