Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs appear clear bilaterally . No focal consolidation , large effusion or pneumothorax is seen . Cardiomediastinal silhouette appears normal . The aorta is unfolded . Bony structures are demineralized , though appear intact .
    OUTPUT:
    
No acute intrathoracic process .