Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear without focal consolidation concerning for pneumonia , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged and there is no overt pulmonary edema . The cardiomediastinal and hilar contours are within normal limits . Irregularity of the cortex in the left posterolateral 6th rib may represent fracture .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Possible fracture of the left 6th rib . Recommend clinical correlation .