Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal and slightly enlarged for the prior study . The mediastinal and hilar contours are stable . There is no pneumothorax or large pleural effusion . Slight elevation of the left hemidiaphragm is noted . An azygos fissure is incidentally noted . The lungs are well expanded and clear without focal consolidation . Slight engorgement of upper lobe pulmonary vessels is noted . The upper abdomen is unremarkable .
    OUTPUT:
    
Cephalization and slight increase in heart size due to early cardiac decompensation , without frank pulmonary edema . No pneumonia .