Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates a PICC with the tip in the middle low SVC , unchanged in position . The heart is top normal in size . The lungs are relatively well aerated . There is no focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .