Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , worsening mild left basilar atelectasis . New mild right basilar atelectasis . Small left pleural effusion is unchanged . Top normal heart size . Port - A - Cath terminates near cavoatrial junction . There is no pneumothorax . Cardiomediastinal borders and hilar structures are normal . No pneumonia .
    OUTPUT:
    
Since ___ , worsening mild left basilar atelectasis and new mild right basilar atelectasis . Unchanged small left pleural effusion . No evidence of pneumonia as previously described on CTA chest ___ .