Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine radiograph of the chest . There is diffuse indistinctness of the pulmonary vasculature , suggestive of mild interstitial pulmonary edema . Although the heart size is likely exaggerated by the technique , there is moderate cardiomegaly which is stable from ___ but not present on ___ . The lungs are clear . The there is no pneumothorax or pleural effusion . Chronic rightward tracheal deviation secondary to thyromegaly .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema . 2 . Apparent moderate cardiomegaly , unchanged from ___ but new from ___ , likely exaggarated by low lung volumes and techniqe but dilated cardiomyopathy or pericardial effusion should be considered .