Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large left and small right pleural effusions , moderately severe pulmonary edema , andsevere chronic cardiomegaly are all increased . Bibasilar atelectasis has worsened . The left pleural effusion is large enough to obscure any abnormality in the left lower chest , including a lower thoracic aortic aneurysm or lung mass as suggested on the lateral view . Chest radiographs should be repeated after treatment of heart failure . No pneumothorax is seen . Single - lead pacemaker is unchanged . Left shoulder prosthesis is incompletely assessed .
    OUTPUT:
    
Severe heart failure , worsened . Followup chest radiographs should be obtained after treatment to exclude mass or aneurysm in the left chest .