Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate clear lungs bilaterally . No focal opacity convincing for pneumonia is identified . Calcification projecting over the medial right lung base is stable , unchanged , likely a granuloma . There is no pleural effusion or pneumothorax . No evidence of pulmonary edema . Cardiomediastinal and hilar contours are within normal limits , stable in size and configuration . No air under the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic abnormality .