Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prominence of the cardiomediastinal silhouette is stable as compared to the prior study . There is minor left basilar atelectasis without definite focal consolidation . No large pleural effusion is seen although trace effusion would be be difficult to exclude . There is no evidence of pneumothorax . Degenerative change at the right shoulder joint is not optimally evaluated on this chest radiograph .
    OUTPUT:
    
No acute cardiopulmonary process .