Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is heterogeneous opacification of the right lung base , which likely represents a developing right lower lobe pneumonia . Linear opacity also noted at the left lung base , potentially atelectasis . The remainder of the lungs are clear . Heart size and mediastinal contours are normal . There is no pleural effusion or pneumothorax . Osseous structures are intact .
    OUTPUT:
    
Bibasilar regions of consolidation , which could be due to pneumonia in the proper clinical setting . Component of atelectasis , particularly on the left is also possible .