Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy terminates approximately 3 .6 cm above the carina . Right PICC is in the mid SVC . Cardiomediastinal silhouette is within normal limits . Lung volumes are lower . There is increased opacification at the right base and enlargement of the effusion at the left base . No pneumothorax .
    OUTPUT:
    
1 . Lower lung volumes with increased opacification at the right base . 2 . Left pleural effusion appears slightly larger .