Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrate well expanded and clear lungs . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Mild new leftwards tracheal deviation . Limited assessment of osseous structures are unremarkable and upper abdomen is within normal limits .
    OUTPUT:
    
1 . Mild new leftwards tracheal deviation . Clinical correlation for palpable enlarged thyroid is recommended . 2 . Otherwise normal chest . No pleural effusion .