Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A monitoring device overlaps the left lower chest on the PA view . No consolidation is otherwise seen . There is no evidence for pulmonary edema or pleural effusion . The previously noted nodule in the left lower lung field is not well seen . Heart size is near the upper limit of normal , unchanged . Mediastinal and hilar contours are stable and unremarkable . Mild degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No evidence for acute cardiopulmonary abnormalities . Heart size is near the upper limit of normal , unchanged .