Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate moderate cardiomegaly and a tortuous aorta . Coronary artery calcifications are noted on lateral view . There is a small left pleural effusion . No focal opacity or pneumothorax is seen .
    OUTPUT:
    
1 . No focal opacity concerning for infection identified . 2 . Small left pleural effusion .