Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes . No pleural effusion , focal consolidation or pneumothorax is identified . Hilar and mediastinal silhouettes are unchanged . Heart size is normal . Right - sided Port - A - Cath tip projects over distal SVC . Post - surgical changes related to medial sternotomy and CABG are again noted . Sternotomy wires appear intact .
    OUTPUT:
    
Low lung volumes . No evidence of acute cardiopulmonary process .