Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . The aorta is mildly tortuous and diffusely calcified . There are increased interstitial markings diffusely , which may be suggestive of mild interstitial pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is present . Diffuse demineralization of the osseous structures is present with multilevel degenerative changes identified in the thoracic spine . Partially imaged is a right humeral head prosthesis . Degenerative changes of left glenohumeral joint are also noted .
    OUTPUT:
    
Increased interstitial markings diffusely may suggest mild interstitial pulmonary edema .