Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and increased central pulmonary vasculature is noted . There is no evidence of focal consolidation , pleural effusion , or pneumothorax . The right main pulmonary artery remains mildly enlarged and prominent , stable from ___ .
    OUTPUT:
    
Mild congestive heart failure . No appreciable pleural effusion .