question: My mother has one kidney after nephrectomy due to renal cell carcinoma. She is out of state on a trip and ct has revealed mutiple organs with tumors as the cancer has spread. She was released from hospital thursday and we have a flight for tomarrow to bring her home. She just called and said her ankles are swelling. What do i do? Can she fly? Emergency room?  Is she in renal failure? She is weak and tired as cancer is taking over. I am a 5 hour plaine ride away, help