Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Marked cardiomegaly is accompanied by pulmonary vascular congestion and an apparent asymmetrical edema pattern involving the right lung to a greater degree than the left . Moderate , partially loculated right pleural effusion is again demonstrated as well as a small left pleural effusion . Volume loss in right hemithorax is also similar to the prior study . This appears to be longstanding when comparison is made to older chest radiograph dating back to ___ .
    OUTPUT:
    
1 . CHF with apparent asymmetrical pattern of edema . Followup radiographs after diuresis may be helpful to exclude other process such as pneumonia in the right lung . 2 . Moderate , partially loculated right pleural effusion and small left pleural effusion .