Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild interstitial pulmonary edema but no focal opacity suggestive of pneumonia . Apparent opacity in the right cardiophrenic angle is felt to represent summation of bronchovascular bundles with the posterior ribs . Moderate cardiomegaly is present . There is no pleural effusion or pneumothorax . Extensive atherosclerotic calcifications of the aorta are seen . Bony callus from old right clavicular fracture is also noted .
    OUTPUT:
    
Interstitial pulmonary edema in the setting of moderate cardiomegaly . Apparent opacity in the right cardiophrenic angle is felt to represent summation of bronchovascular bundles with the posterior ribs .