B S O Before Age 50

If surgery is performed after the age of 50, his directome and b s o confers the same overall survival to age 80 as performing his directome alone before. This holds true when valuating cardo vascular death by age 80 for his directomy m b s o, compared with his drectome alone. Remember that cardio vascular disease remains the largest contributor to the increased risk of death with his tirectime and b s O done before the age of50 without astogen therapy.