Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . Bibasilar opacities most likely represent atelectasis . Cardiomediastinal silhouette is within normal limits . There is some indistinctness of pulmonary vessels , which could reflect elevation of pulmonary venous pressure . Of incidental note is a calcification in the left lower neck , consistent with thyroid adenoma .
    OUTPUT:
    
No acute cardiopulmonary process .