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 single lead terminating in the right ventricle , unchanged . The aortic knob is calcified and aorta remains mildly tortuous . There is new mild pulmonary vascular congestion . Hyperinflation of the lungs is re - demonstrated . New consolidative opacity within the right upper lobe is concerning for pneumonia . And ill - defined nodular opacity within the right upper lung field measuring up to 10 mm is also new , and likely infectious in etiology . No large pleural effusion or pneumothorax is present . No acute osseous abnormality is seen . There are multilevel degenerative changes in the thoracic spine .
    OUTPUT:
    
New right upper lobe pneumonia . Mild pulmonary vascular congestion .