Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate mild cardiomegaly . There is prominent central vessels and vascular congestion without overt pulmonary edema . There is no pleural effusion or pneumothorax . No opacity is identified convincing for pneumonia . Small opacity within the left upper lung zone not see on prior CT , most likely artifactual . Imaged upper abdomen is unremarkable .
    OUTPUT:
    
Prominent central vessels and vascular congestion and mild cardiomegaly .