Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided pacemaker device is noted with leads terminating in the right atrium , right ventricle and coronary sinus . Moderate cardiomegaly persists . The aorta is tortuous and diffusely calcified . No pulmonary edema is seen . Previously noted multifocal opacities have largely resolved with minimal residual opacity seen within the right lung base . No new focal consolidation is present . Small left pleural effusion persists . There is no pneumothorax . No acute osseous abnormalities are detected .
    OUTPUT:
    
Interval improvement in previously noted multifocal opacities , with residual right basilar opacity likely reflecting resolving pneumonia . Small left pleural effusion , unchanged .