Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Slight increased opacity in the right infrahilar region seen only on the frontal view does not have a definite correlate on the lateral view , possibly reflecting atelectasis versus an early bronchopneumonia in the appropriate clinical situation . No edema , effusion , or pneumothorax . Mild cardiomegaly is unchanged . The mediastinum is not widened . Left lower lung opacity is probably atelectasis , overall similar to ___ . No acute osseous abnormality . Fiducial markers projecting over the right upper quadrant are unchanged .
    OUTPUT:
    
Slight increased opacity in the right infrahilar region on only the frontal view may reflect atelectasis versus early bronchopneumonia in the appropriate clinical situation .