Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate clear lungs . There is no pleural effusion or pneumothorax . The cardiac apex and right ventricular outflow tract are slightly enlarged for a patient of this age . Further correlation with this patient 's symptoms of " dyspnea " would be helpful . The hilar , mediastinal , and pleural contours are normal .
    OUTPUT:
    
No acute cardiopulmonary process .