Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath terminates in the low SVC without evidence of pneumothorax . There are low lung volumes . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Surgical clips overlie the right lower hemi thorax . Extensive heterogeneity of the osseous structures is consistent with history of osseous metastatic disease .
    OUTPUT:
    
No acute cardiopulmonary process .