Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased opacification along the posterior aspect of the lungs on the lateral view , and increased opacification of the right lung base on the frontal view . While this may represent atelectasis , early infection should be considered . There is also small right pleural effusion . Left lung is clear . Heart size and mediastinal contours are normal .
    OUTPUT:
    
Increased opacification at the right lung base may represent atelectasis , however developing infection should be considered . Small right pleural effusion .