Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is unchanged . The hila are prominent , with prominent patchy opacities surrounding the left hilum and atelectasis at left - greater - than - right bases . Small faint opacities may also be present on the right lung laterally . There is minimal atelectasis at the right base , with possible minimal blunting of the right costophrenic angle . No gross effusion . The left costophrenic angle is clear . Doubt CHF .
    OUTPUT:
    
Abnormal , but overall similar to ___ . Minimal atelectasis at the right base laterally and possible minimal blunting of the right costophrenic angle is new .