Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are normal . There is no evidence of pleural effusions . No focal parenchymal opacity suggesting pneumonia , no pulmonary edema . Normal size of the cardiac silhouette . Normal hilar and mediastinal structures . A 1 - 2 mm right medial basal calcified granuloma was present at the last examination and is unchanged .
    OUTPUT:
    
No evidence of pneumonia .