Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had median sternotomy and CABG . Normal postoperative cardiomediastinal silhouette seen and improved from ___ studies . A small left pleural effusion has decreased in size from previous studies . No focal consolidations , pulmonary edema , or pneumothorax is seen . The osseous structures are grossly unremarkable .
    OUTPUT:
    
No acute cardiopulmonary findings or fractures are with a small left pleural effusion that has decreased from the most recent study .