Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extraction and replacement of the right ventricular lead was done . A new lead goes to the coronary sinus , ending in one of the cardiac vein over the left ventricle . There is no pneumothorax . Minimal pleural effusion or pleural thickening is seen on the lateral view at both costodiaphragmatic angles . Air-fluid level is seen adjacent to the pacemaker in the soft tissue , probably due to recent manipulation . Except for minimal left lower lung atelectasis , the remaining of the lungs is unremarkable .
    OUTPUT:
    
1 . Adequate positioning of new pacemaker leads . 2 . There is no pneumothorax .