Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a left chest tube , unchanged in position . There is persistent right upper lobe atelectasis with collapse of the right upper lobe and rightward tracheal deviation . The lungs are clear without focal consolidation or pulmonary edema . There is no pneumothorax . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Persistent right upper lobe collapse .