[' ', ' ', 'A', 'Yes,', "it's", 'a', 'weakening', 'of', 'the', 'walls', 'of', 'the', 'artery.', 'It', 'sort', 'of', 'dilates.', 'Q', 'In', 'Mr.', "Galbraith's", 'case,', 'you', 'measured', 'the', 'aneurysm', 'at', 'approximately', 'seven', 'centimeters;', "isn't", 'that', 'true?', 'A', "That's", 'correct.', 'Q', 'You', 'note', 'that', 'the', 'aneurysm', 'in', 'and', 'of', 'itself', '|', 'presented', 'a', 'significant', 'risk', 'of', 'death;', "isn't", 'that', 'true?', 'A', "That's", 'true.', 'Q', 'Certainly,', 'the', 'aneurysm', 'existed', '--', 'indicated', 'a', 'significant', 'condition', 'of', 'arteriosclerosis,', 'did', 'it', 'not?', 'A', 'Well,', 'not', 'necessarily,', 'since', 'hypertension', '--', 'and', 'there', 'are', 'some', 'other', 'congenital', 'diseases', 'that', 'can', 'cause', 'aneurysms,', 'but', 'in', 'his', 'age', 'group,', 'the', 'most', 'common', 'cause', 'is', 'arteriosclerosis.', 'Q', 'In', 'fact,', 'if', 'some', 'of', 'his', 'family', 'members', 'had', 'died', 'as', 'a', 'result', 'of', 'a', 'ruptured', 'aneurysm,', 'that', "wouldn't", 'surprise', 'you,', 'would', 'it?', 'A', 'No,', 'it', "wouldn't", 'surprise', 'me.', 'Q', 'Because', 'those', 'conditions', 'do', '-~', 'are', 'hereditary', 'and', 'do', 'run', 'in', 'families;', "isn't", 'that', 'right?', 'A', 'Which', 'conditions', 'are', 'you', 'referring', 'to?', 'Q', 'Conditions', 'causing', 'an', 'aneurysm?', 'A', 'Yes.', 'Q', 'There', 'really', "isn't", 'any', 'way', 'anyone', 'can', 'say', 'what', 'single', 'factor', 'might', 'have', 'caused', 'Mr.', "Galbraith's", 'heart', 'disease,', 'is', 'there?', 'A', 'No.', 'We', 'only', 'make', 'statistical', 'inferences', 'about', 'which', '1318', ' ', 'LST', 'S97CTS', ' ', ' ']