Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A central venous catheter has been removed . The patient is status post mitral valve replacement . The heart is again moderately enlarged . The mediastinal and hilar contours appear unchanged . There is a new moderate interstitial abnormality most consistent with moderate interstitial pulmonary edema . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
Findings consistent with moderate pulmonary edema . Given the history of fever , the possibility of diffuse atypical pneumonia could also be considered clinically . Short - term followup radiographs would be helpful to reassess .