Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size at the upper limits of normal . There is mild interval increase in the size of the azygos vein , vascular pedicle and mild increase in size of the upper lobe blood vessels . No overt pulmonary edema . No large pleural effusion . No airspace consolidation to suggest pneumonia . No pneumothorax .
    OUTPUT:
    
Mild interval distention of the upper lobe blood vessels and widening of the vascular pedicle suggesting progression in the cardiac decompensation , but no overt pulmonary edema .