Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right apical pneumothorax . There is increased patchy opacification in the right upper and mid lung field surrounding the localizer , which is new in comparison to the prior chest radiograph . Mild right basilar atelectasis . The left lung is clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Small right apical pneumothorax . 2 . Patchy opacification in right upper and mid lung field , which may represent early pneumonia .