Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Left - sided Port - A - Catheter is similar in position , terminating at the cavoatrial / right atrial junction . Patient has diffuse increase in interstitial markings bilaterally consistent with patient 's underlying history of chronic interstitial lung disease with likely overlying pulmonary edema improved since ___ , but similar in appearance as compared to ___ . No definite focal consolidation or pleural effusion . Multilevel vertebroplasties are seen along the thoracic spine , similar to prior .
    OUTPUT:
    
Pulmonary edema superimposed on known lung fibrosis .