Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal upright and lateral chest radiographs demonstrate well - expanded lungs . Heart is normal in size and cardiomediastinal contour is within normal limits . Lungs are clear without focal areas of consolidation , pleural effusions , or pneumothorax . Partially imaged upper abdomen and bony structures are grossly unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .