Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment of the lung apices is somewhat limited by the patient 's neck and chin projecting over these areas . A left - sided pacer device is noted with leads terminating in the right atrium and right ventricle . Moderate cardiomegaly is re - demonstrated with a left ventricular predominance . The aorta is diffusely calcified and tortuous . Mediastinal and hilar contours are unchanged . The pulmonary vasculature is not engorged . Patchy opacities are demonstrated within the right lung base , along with streaky retrocardiac opacity . No pleural effusion or pneumothorax is clearly noted . Moderate to severe degenerative changes of the thoracic spine are present along with chronic compression deformity of a mid thoracic vertebral body .
    OUTPUT:
    
Limited assessment of the lung apices . Patchy opacities in the right lung base may reflect infection or aspiration in the correct clinical setting . Streaky retrocardiac atelectasis .