Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , or pneumothorax is detected . Heart and mediastinal contours are unchanged compared to prior with mild central pulmonary vascular engorgement . Elevation of the right hemidiaphragm is again noted . Single - lead pacer is seen in similar position .
    OUTPUT:
    
Mild central pulmonar vascular engorgement .