Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Minor basilar atelectasis is seen without focal consolidation . Minimal blunting of the posterior left costophrenic angle may be due to slight pleural thickening of the trace effusion is not excluded . There is no pulmonary edema or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
Slight blunting of the left posterior costophrenic angle could be due to pleural thickening versus a very trace pleural effusion . Otherwise , no acute cardiopulmonary process .