Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . Nodular opacity in the right lung base corresponds to the pulmonary nodule seen on recent chest CT . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Nodular opacity in the right lung base , in keeping the finding on ___ CT . Based on the recent CT scan , it is suspected that this is related to an infectious etiology . 2 . Otherwise , no acute pulmonary process .