Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There appears to be slight interval increase in opacification overlying the right lower lobe . There is stable mild - to - moderate cardiomegaly with mild pulmonary vascular engorgement . There is no evidence of pulmonary edema . There are small bilateral pleural effusions . There is a stable hiatal hernia . There is no evidence of pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Slight interval increase in consolidation overlying the right lower lobe concerning for pneumonia .