Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is 4 .1 cm above the carina . An enteric tube extends to stomach . Left subclavian line is unchanged and terminates in the low SVC . Lung volumes are low . A moderate - sized pleural effusion is noted on the left . There is no evidence of pneumonia , pulmonary edema or a pneumothorax . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Stable moderate left pleural effusion .