Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stability of the mild pulmonary edema with mild cephalization of the pulmonary vessels and slightly increased interstitial markings . There is very mild bilateral pleural effusion . There is no evidence of pneumonia . The mediastinal and cardiac contour are unchanged with mild cardiomegaly . There is no pneumothorax .
    OUTPUT:
    
There is an unchanged mild interstitial pulmonary edema .