Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Left lung asymmetry is related to prior left lower lobe wedge resection with persistent elevation of the left hemidiaphragm . New fiducial marker has been placed at the right lung base . There is no evidence of pneumothorax . There is no pleural effusion . Heart size is normal . Air-fluid level in the left retrocardiac region is neoesophagus in patient with history of esophagectomy .
    OUTPUT:
    
There is no sign of pneumothorax after positioning of fiducial marker at right lung base . There is no pleural effusion .