hi! my father in law was diagnosed with a bile duct cancer, no metastasis found.he s 71 yrs.old this oct.4, he had hypertension before but now that he is suffering from the so called bile duct cancer he s blood pressure now is 90 - 70, or 110 - 60, what perhaps is his life span... i am worried coz my husband, his son is just 1 month away