Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The diffuse heterogeneous opacity involving the entire right lung is worse . In addition , there is denser bibasilar consolidation which is largely unchanged . Mild cardiomegaly as well as pulmonary and mediastinal vascular congestion persists . There is no pneumothorax .
    OUTPUT:
    
1 . Worsening asymmetric pulmonary edema superimposed on chronic centrilobular emphysema and peripheral pulmonary fibrosis seen on the prior CT . A diffuse infectious process involving the right lung can not be excluded . 2 . Persistent mild congestive heart failure . 3 . Bibasilar atelectasis or pneumonia .