Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates well expanded and clear lungs with a stable ovoid calcified nodule projecting over the right mid lung , unchanged from ___ . No pleural effusion or pneumothorax . Prominence of the right hilum is due to patient rotation . Heart size , mediastinal contour , and hila are otherwise unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process .