Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , right upper zone opacity has increased , with more confluent opacification and air bronchograms . This could be somewhat accentuated by differences in technique , but nonetheless , appears increased . Consolidation at the right base and in the retrocardiac regions persists . There is minimal upper zone redistribution and likely some vascular plethora . There is a small left effusion . The possibility small right effusion can not be excluded . NG tube present , tip extending beneath diaphragm , off film .
    OUTPUT:
    
Worsening consolidation right upper zone . Persistent consolidation right an left base . Suspect mild CHF . Small left and question small right effusion .