Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal contours are unremarkable . Lung volumes are low . There is a patchy opacity within the left lung base as well as a right infrahilar region . Small pleural effusion is noted on the left . There is no pneumothorax . There is no pulmonary edema identified . No acute osseous abnormalities seen .
    OUTPUT:
    
Patchy opacities within the right infrahilar region as well as the left lung base concerning for areas of infection . Small left pleural effusion is also noted .