Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates unchanged cardiomediastinal contours . The lungs are clear . No pleural effusion or pneumothorax . There is interval removal of left - sided PICC line . Mild unchanged elevation of the right hemidiaphragm . No osseous abnormalities are identified .
    OUTPUT:
    
No acute intrathoracic process .