Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient 's condition required examination in sitting upright position using AP frontal and left lateral views . Comparison is made with a preceding similar examination dated ___ . Cardiac enlargement as before . Unchanged appearance of previously described permanent pacer in left anterior axillary position connected to ICD cable terminating in right ventricle . Comparison of the frontal views demonstrates that the previously present moderately distended pulmonary vasculature has regressed and also the evidence of some fluid in the minor fissure has disappeared . As before , there is still some evidence of small amounts of pleural effusion accumulating in the posterior pleural sinuses , but there is no evidence of any discrete local pneumonic infiltrate suggesting that new aspiration pneumonia has occurred . Review of several previous chest examinations during ___ shows that the patient has had episodes of CHF with interstitial edema on the bases and some pleural effusion before .
    OUTPUT:
    
Improvement of pulmonary congestive pattern during the latest examination interval . No progression of acute pulmonary infiltrates that would suggest major aspiration pneumonitis .