Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , which accentuate the bronchovascular markings and the cardiomediastinal silhouette . Given this , the cardiac silhouette is enlarged . There is blunting of the posterior costophrenic angles worrisome for small pleural effusions and / or basilar infiltrate . Moderate pulmonary edema is seen . The aortic knob is calcified and the aorta is likely tortuous .
    OUTPUT:
    
Low lung volumes with moderate pulmonary edema . Bibasilar opacities the , best seen on the lateral view , may be due to pleural effusions and / or consolidation .