Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright chest radiograph was obtained . In comparison to the prior study , left - sided PICC line is no longer visualized . Cardiomediastinal contours are unremarkable . Lungs are clear without focal consolidation . There is no pleural effusion and no pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .