Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . There is plate - like atelectasis seen at the left lung base . There is no pleural effusion , pneumothorax or focal airspace consolidation that is worrisome for pneumonia . The cardiac and mediastinal contours are normal . The hilar structures are unremarkable . Spinal orthopedic hardware is partially imaged and appears in satisfactory position .
    OUTPUT:
    
No acute cardiopulmonary process .