Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A previously seen opacity within the left lower lobe on prior radiograph appears to have resolved in the interval . No confluent consolidation is identified . There is no pulmonary edema or pleural effusions . No pneumothorax is evident . Mediastinal and hilar contours are within normal limits . The heart size is top normal .
    OUTPUT:
    
Interval resolution of prior left lower lobe pneumonia . No acute cardiopulmonary process .