Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left pleural effusion with left lower lobe opacity is noted and is new . Right lower lobe heterogeneous opacity is most consistent with atelectasis . No pneumothorax . Mild cephalization of vasculature is noted . Aortic arch calcifications are present . Visualized cardiomediastinal silhouette is otherwise unremarkable . Visualized osseous structures are unremarkable . No displaced rib fracture .
    OUTPUT:
    
1 . Moderate left pleural effusion with left lower lobe opacity is worrisome for pneumonia or aspiration pneumonia in the appropriate clinical setting . 2 . Right lower lobe atelectasis . 3 . Mild vascular congestion .