Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , moderate cardiomegaly is persistent with mild pulmonary vascular congestion and cephalization . No are pleural effusions , focal consolidation , or pneumothorax . Patient is post median sternotomy , with intact median sternotomy wires and unchanged positioning of multiple mediastinal surgical clips . Partial visualization of the irregularity of the left humeral head , similar in appearance since at least ___ .
    OUTPUT:
    
Moderate cardiomegaly with persistent mild pulmonary vascular congestion and cephalization , compatible with mild pulmonary edema .