Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is continued encouragement of the pulmonary veins with an enlarged heart and bilateral pleural effusions , consistent with acute congestive failure . There is increased opacification posterior to the heart , which could conceivably represent loculated effusion in the major fissure .
    OUTPUT:
    
1 . Increased opacification posterior to the heart could represent loculated effusion in the major fissure . However , if further imaging is required , CT of the chest is recommended .