Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe is now completely collapsed with abrupt cut - off in distal left main stem , which is worrisome for aspiration . The mediastinum is shifted towards the left . Right lung is unremarkable except for minimal tiny atelectatic band in right lower lobe . There is no pneumothorax , no significant pleural effusion .
    OUTPUT:
    
Probable aspiration or mucus plugging with complete left lower lobe collapse and shift of mediastinum towards the left . This was discussed with the medical team and the patient is feeling a lot better . A chest x-ray followup has been suggested .