Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear without consolidation . There is mild biapical scarring . The cardiomediastinal silhouette is within normal limits . Sclerotic focus seen in the proximal left humerus , potentially an infarct or enchondroma . No visualized acute fracture . The bones are diffusely demineralized . PEG tube partially visualized in the left upper quadrant .
    OUTPUT:
    
Hyperinflation without acute cardiopulmonary process . No visualized rib fracture . Consider dedicated rib series if persistent clinical concern .