Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are linear opacities at the right lung base , which likely represent platelike atelectasis . Lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Linear opacities in right lung base , likely representing atelectasis , without any other focal consolidation to suggest pneumonia .