Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with bronchovascular crowding . The opacity in the right lower hemithorax likely reflects a combination of the small right pleural effusion , atelectasis , and edema , slightly increased from the prior exam . A small amount of fluid tracks in the minor fissure , slightly increased from the prior exam . No large left pleural effusion . The heart is severely enlarged , overall unchanged . The descending aorta is perhaps slightly tortuous or ectatic . Aortic knob calcifications are unchanged . No pneumothorax . The extensive multilevel degenerative changes in the visualized thoracic spine are noted . The bones appear diffusely demineralized .
    OUTPUT:
    
Moderate edema , atelectasis , and small right pleural effusion .