Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An enteric catheter passes below the level of the diaphragm and ends within either the lower aspect of the stomach or the proximal duodenum . Surgical clips project over the right juxtahilar region . There is dense left retrocardiac opacification , slightly decreased compared to the study from ___ . The right lung is clear . The cardiomediastinal silhouette is unchanged . There is a small left pleural effusion , likely unchanged given differences in patient positioning . There is no pneumothorax .
    OUTPUT:
    
1 . Slight improvement in dense left retrocardiac opacification , which may be due to atelectasis and / or infection . 2 . No evidence of pulmonary edema . 3 . Unchanged small left pleural effusion .