Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . The heart remains mildly enlarged . There is mild interstitial pulmonary edema without definite signs of pneumonia . No large effusion . Mediastinal contour stable . Bony structures are intact . Right humeral head replacement partially imaged .
    OUTPUT:
    
Mild edema , mild cardiomegaly .