Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were provided . Streaky bilateral opacities are likely related to vascular crowding from low lung volumes . Lungs are otherwise clear , without focal areas of consolidation . Heart is normal in size and cardiomediastinal contour is unremarkable . There is no pleural effusion and no pneumothorax . Bony structures are grossly intact .
    OUTPUT:
    
No acute intrathoracic abnormality .