Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . Moderate to severe cardiomegaly is similar to the prior study allowing for differences in technique . A left pectoral single - chamber pacemaker and its lead projects in unchanged location . Calcification of the aortic arch is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . Unchanged moderate to severe cardiomegaly .