Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are multiple air - fluid levels in the right lower hemithorax , most likely due to loculated hydropneumothorax . A consolidation at the right base is difficult to exclude . The left lung is clear . There is no left pleural effusion . There is no pulmonary edema or pneumothorax . The mediastinal contours are within normal limits . The heart size is at the upper limits of normal . Sternal wires are intact . Multiple mediastinal clips are likely from a prior CABG .
    OUTPUT:
    
Large right basilar loculated hydropneumothorax . A consolidation associated with this abnormality is difficult to exclude .