Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged with coronary artery stenting again seen . The mediastinal and hilar contours are stable with calcification of the aortic knob again noted . There is mild interstitial pulmonary edema , worse when compared to the prior study . Additionally , more focal patchy opacities are noted within the periphery of the right upper lung field and left mid lung field , which are nonspecific but may represent areas of developing infection . Small bilateral pleural effusions are noted . There is no pneumothorax . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema , worse when compared to prior study . Small bilateral pleural effusions . 2 . Patchy ill - defined opacities within the periphery of the right upper and left mid lung fields . Findings are nonspecific but may represent areas of developing infection .