Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . There is similar mild unfolding of the thoracic aorta . Bilateral perihilar fullness is noted with increased distention of central pulmonary arteries and indistinct vascular and interstitial markings , consistent with mild - to - moderate pulmonary edema . Streaky left basilar opacities suggest coinciding minor atelectasis . There is no definite pleural effusion or pneumothorax . There are similar moderate degenerative changes along the thoracic spine .
    OUTPUT:
    
Findings suggesting mild - to - moderate pulmonary vascular congestion .