Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits , and the mediastinal contours are unchanged and within normal limits . There continues to be elevation of the left hemidiaphragm with associated basilar atelectasis , similar to prior exams . Vascular congestion is also present . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Continued left hemidiaphragmatic elevation with left basal atelectasis , but no acute cardiopulmonary process . Such a long - standing elevation of the hemidiaphragm raises the question of a phrenic nerve palsy or diaphragmatic injury .