Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal chest radiographs demonstrate well expanded lungs . Heart appears mildly enlarged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Chest radiograph is not sensitive for detection of pulmonary embolism or aortic dissection and CTA should be considered if there is high clinical suspicion .