Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires and mediastinal clips are compatible with prior CABG . The left pacer unit projects over the left chest with lead terminating in the right ventricle . The heart size is large , slightly increased from prior exam . There is prominence of the pulmonary vasculature and scattered areas of ground - glass opacity in the lung , compatible with edema . A few thickened septal lines are present . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Findings compatible with mild CHF .