Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally with no focal opacity convincing for pneumonia . Asymmetry within the pleural margins at the apices more nodular in appearance on the left . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion . Mild rightward deviation of the trachea is thought secondary to tortuous aorta . There is no pneumothorax . Visualized osseous structures demonstrates no acute abnormality .
    OUTPUT:
    
No convincing opacity concerning for pneumonia . Asymmetric pleural apical margins , more nodular on the left for which CT can be obtained for further evaluation . Chest CT may also help evaluate for dysphagia as indicated by clinical history .