Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Trace right pleural effusion is unchanged Likely small left pleural effusion . Right Port - A - Cath ends in the right atrium . Left basilar atelectasis is unchanged . Upper lungs are clear . Cardiomediastinal and hilar contours are normal . No pneumothorax .
    OUTPUT:
    
No significant change compared to ___ at ___ . No pneumothorax .