Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly is a stable . The there is no evident pneumothorax . Thickening of the right pleural and a small right effusion are stable . Patient has known emphysema and interstitial reticular are opacities in the lower lobes better seen in prior CT . New opacity in the periphery of the right upper lobe could represent atelectasis or aspiration attention on followup is recommended . Biapical scarring with calcifications right greater than left is better evaluated in prior CT
    OUTPUT:
    
No evident pneumothorax . New opacities in the periphery of the right upper lobe could represent atelectasis or aspiration attention in followup is recommended