Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly has been stable compared to exams dated back to ___ . There has been an interval increase in opacification of the right lung base and a small right pleural effusion with adjacent atelectasis . Small left pleural effusion is persistent . There is no evidence of a pneumothorax . There is mild pulmonary vascular congestion and mild edema . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Interval progression of opacification of the right mid and lower lung likely secondary to worsening pneumonia . There has been an interval increase in a small right pleural effusion with adjacent atelectasis . No evidence of a pneumothorax .