Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous with mild atherosclerotic calcifications noted at the knob . Pulmonary vasculature is not engorged . Focal round opacity within the right lung base measuring approximately 7 .0 x 5 .4 cm is demonstrated along with a small to moderate size right pleural effusion . Additional somewhat discrete opacity is noted within the anterior right upper lobe on the lateral view . Left lung is clear . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Large rounded right basilar opacity and second additional opacity is noted within the right upper lobe anteriorly on the lateral view . While these findings could suggest infection , CT of the chest is recommended to exclude an underlying mass lesion . Small to moderate - sized right pleural effusion .