Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There relatively low lung volumes , which accentuate the bronchovascular markings . Given this , somewhat linear right base opacity is felt to more likely represent atelectasis rather than consolidation . No pleural effusion or pneumothorax is seen . Mediastinal contours are unremarkable . Cardiac silhouette size is top - normal , likely accentuated by low lung volumes .
    OUTPUT:
    
Relatively low lung volumes which accentuate the bronchovascular markings . Given this , somewhat linear right base opacity is felt to more likely represent atelectasis rather than consolidation .