Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , however there are no pleural effusions or focal consolidations concerning for pneumonia . A right Port - A - Cath terminates in the lower SVC / cavoatrial junction . Unchanged aortic arch calcifications . Unchanged rightward deviation of the trachea is likely due to an enlarged thyroid . There is diffuse bony sclerosis , with mixed areas of osteolysis , consistent with the known history of metastatic breast cancer .
    OUTPUT:
    
1 . No focal consolidations concerning for pneumonia or pleural effusions . 2 . Unchanged rightward tracheal deviation , likely due to enlarged thyroid . 3 . Unchanged mixed sclerotic and lytic bone lesions , consistent with history of metastatic breast cancer .