Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . Multiple linear densities project over the chest most notable on the lateral projection , likely external . Minimal linear density on the frontal projection in the left midlung and right lower lung could represent focal areas of platelike atelectasis . There is no definite consolidation , effusion , or pneumothorax . The aorta is tortuous and atherosclerotic calcifications are present . The heart size appears within normal limits . No bony abnormalities are detected .
    OUTPUT:
    
No acute intrathoracic process .