Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right atrial and ventricular pacemaker leads course in expected position . There is no pneumothorax . Congestive heart failure has developed with mild cardiomegaly , central venous congestion , and interstitial / early airspace edema . There are probable small bilateral pleural effusions . Note is made of dense mitral annular calcifications . Aorta is tortuous and calcified .
    OUTPUT:
    
Congestive heart failure .