Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right effusion , with thickening of the minor fissure and right base atelectasis . There is increased retrocardiac density consistent with left lower lobe collapse and / or consolidation and small left effusion , progressed compared with ___ . There is upper zone redistribution and mild vascular plethora . No pneumothorax detected .
    OUTPUT:
    
1 . No pneumothorax detected . 2 . Small right effusion appears similar to ___ . 3 . New opacity in the retrocardiac region , consistent with new / worsening left lower lobe collapse and / or consolidation , together with a slight interval increase in a small left effusion . 4 . Cardiomegaly and mild vascular plethora .