Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy tube is been advanced compared with the prior study , now terminating 5 .1 cm from the carina . Moderate pulmonary vascular congestion with mild associated interstitial pulmonary edema is similar to the prior study . Right lower lung airspace opacities may represent asymmetric edema , atelectasis , or consolidation , depending upon the clinical setting . There is no pleural effusion or pneumothorax . Calcification of the aortic arch is noted . Apparent moderate to severe degenerative changes of the right shoulder are partially evaluated .
    OUTPUT:
    
1 . Unchanged moderate pulmonary vascular congestion and mild associated interstitial edema . 2 . Ill - defined right lower lung airspace opacities may represent asymmetric edema , atelectasis , or focal consolidation . 3 . No pneumothorax .