Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . A right PICC ends in the high right atrium , not significantly changed compared to the prior study . The previously seen left lower lobe pulmonary nodule is vaguely appreciated on the frontal projection , not significantly changed in appearance compared to the prior radiograph from ___ . The lungs are otherwise clear . There are no pleural effusions . The heart size is normal . The mediastinal contours are normal . There is no pneumothorax . Mild multilevel degenerative changes of the thoracolumbar spine are seen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . Unchanged appearance of left lower lobe pulmonary nodule . 3 . Unchanged positioning of the right PICC , terminating in the high right atrium .