Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates interval extubation and removal of an enteric tube . Moderate cardiomegaly and bronchovascular crowding are exaggerated by low lung volumes , unchanged . There is no edema , pneumonia , or appreciable pleural abnormality . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . No edema , pneumonia , or appreciable pleural abnormality . 2 . Moderate cardiac enlargement .