Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrate persistent stable old severe cardiomegaly . There is minimal interstitial edema and small bilateral effusions consistent with congestive heart failure . No focal consolidations . A left pectoral pacer / defibrillator is identified with its intact leads terminating in the right atrium and right ventricle . Severe rightward tracheal deviation is identified secondary to known large multi nodular goiter most recently evaluated on CT ___ .
    OUTPUT:
    
Mild congestive heart failure .