Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is known with a left upper lobe complete collapse . There is no pneumothorax or pneumomediastinum post - bronchoscopy . Right lung is unremarkable . There is no pleural effusion . Mediastinal and cardiac contours are unchanged .
    OUTPUT:
    
There is no sign of complication post - bronchoscopy and biopsy .