Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous with mild atherosclerotic calcifications . Increased interstitial opacities bilaterally suggests mild interstitial pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is seen . Right humeral prosthesis is partially imaged . There is diffuse demineralization of the osseous structures .
    OUTPUT:
    
Mild interstitial pulmonary edema .