Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: At the left base , there is a 5 mm nodule which is likely calcified . The lungs are otherwise clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Probably calcified , small 5 mm left lower lobe nodule . Recommend a non-emergent chest CT for further evaluation . 2 . No acute cardiopulmonary process .