Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the endotracheal tube and enteric tube have been removed . A left PICC is unchanged with the tip at the origin of the SVC . Allowing for changes in lung volumes , mild vascular congestion and retrocardiac atelectasis is not significantly changed . There is likely a small left pleural effusion . There is no new opacity , right pleural effusion , or pneumothorax . Marked enlargement of the cardiomediastinal silhouette is stable .
    OUTPUT:
    
Little change in the mild vascular congestion , retrocardiac atelectasis , probable small left pleural effusion , and cardiomegaly .