Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . In comparison to the prior studies , lung volumes are lower . New moderate right pleural effusion with possible loculation . New increased heterogeneously dense opacification in the right lower lobe may represent compressive atelectasis or consolidation . Increased bilateral prominent interstitial markening probably represent mild superimposed edema . There left lung is clear . There is no left effusion . There is no pneumothorax . The cardiomediastinal contour is otherwise unremarkable .
    OUTPUT:
    
1 . Interval development of moderate right effusion with possible loculation and adjacent atelectasis and / or consolidation . Pneumonia should be considered in the appropriate clinical context . 2 . Mild bilateral interstitial edema . 3 . Low lung volumes .