Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained . These demonstrate well inflated lungs bilaterally . Lungs are clear with no focal opacification identified . Incidental note is made of a 5 mm calcification within the left lung projecting just inferiorly to ___ posterior ribcompatible with a calcified granuloma . Cardiomediastinal and hilar contours are within normal limits . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormality .