Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 20 : 13 is submitted .
    OUTPUT:
    
The left pacer remains in place . The transvenous leads terminate in the right atrium and right ventricle with the coronary sinus lead having been advanced now with its tip projecting over the ventricle . Overall cardiac and mediastinal contours are stable . Lungs are well inflated without evidence of focal airspace consolidation , pleural effusions , pulmonary edema or pneumothorax .