Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior chest radiograph performed earlier this morning , there has been no significant interval changes . The pulmonary artery catheter and transvenous pacemaker are unchanged in position . There is no evidence of pneumonia or pulmonary edema . Bronchovascular markings are accentuated by low lung volumes . Stable cardiomegaly .
    OUTPUT:
    
1 . No acute intrapulmonary process . 2 . Stable cardiomegaly .