Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable supine frontal chest radiograph demonstrates low lung volumes , exaggerating the cardiac silhouette and resulting in bronchovascular crowding . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable . No fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process . Low lung volumes with exaggeration of the cardiac silhouette and bronchovascular crowding .