Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is focal consolidation at the right lung base partially silhouetting the hemidiaphragm , new since prior . Elsewhere , lungs are clear . There is no effusion or edema . Cardiomediastinal silhouette is stable noting right - sided aortic arch and prosthesis in the proximal pulmonary artery .
    OUTPUT:
    
Right base consolidation which could represent pneumonia in the proper clinical setting .