Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is now prominence of interstitial markings at the bases consistent with moderate pulmonary edema . More prominent opacity is present at the right base which may be due to infectious process . The heart appears slightly enlarged since the prior radiograph , which may be technical in nature . There is no pleural effusion . The osseous structures are intact . There is mild dextroconcave scoliosis of the spine .
    OUTPUT:
    
Pulmonary vascular congestions with possible more confluent opacity at the right base which may represent infection .