Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate pulmonary edema , slightly improved from ___ . Moderate to large , bilateral pleural effusions are unchanged . Overlying opacities are likely a result of atelectasis , however , infection would be difficult to exclude . There is no pneumothorax . Heart is mildly enlarged but unchanged . The aorta is diffusely calcified . A midline catheter is seen terminating in the right axilla . A tracheostomy is present .
    OUTPUT:
    
1 . Moderate pulmonary edema , slightly improved from ___ . 2 . Unchanged , moderate to large bilateral pleural effusions and severe bibasilar atelectasis .