Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overlying soft tissue and respiratory motion compromise the image quality of frontal and lateral chest radiographs , respectively . Allowing for suboptimal technique , lungs are grossly clear and cardiomediastinal silhouettes are normal . There is no large pleural effusion , pneumothorax , or evidence of pulmonary edema . There is no free subdiaphragmatic gas . .
    OUTPUT:
    
No evidence of acute cardiothoracic abnormality , on a technically limited examination .