Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with study of ___ , there is some ill - defined area of opacification at the right base and posteriorly . In view of the clinical history , this could well represent a right lower lobe consolidation . Cardiac silhouette is within normal limits . Prominence of interstitial markings could reflect mild elevation of pulmonary venous pressure , chronic lung disease , or both .
    OUTPUT:
    
Possible right lower lobe consolidation .