Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Moderate cardiomegaly with mediastinal widening is unchanged . Lung volumes are low . Mild pulmonary edema is worsened since the prior exam . Bilateral lower lobe lung opacities , larger on the left , have increased and likely represent a combination of atelectasis , consolidation , and effusion . No pneumothorax . No acute osseous changes identified .
    OUTPUT:
    
Cardiomegaly and mild pulmonary edema with bibasilar opacities , consistent with a combination of atelectasis , consolidation , and effusion .