Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the examination dated ___ , there has been some interval improvement in the patient 's pulmonary interstitial edema , now mild . There is no focal consolidation , significant pleural effusion , or pneumothorax identified . Stable , moderate cardiomegaly is noted . The aorta is noted to be tortuous . Mediastinal and hilar contours are otherwise unchanged .
    OUTPUT:
    
1 . No evidence of pneumothorax or definitive pneumonia . 2 . Interval improvement in the patient 's pulmonary edema , now mild . Stable moderate cardiomegaly .