A need to know about a breakages in genes.

 And my grandma  dead of duct cancer,does it transfer to me too?And how to avoid it?

And on many cases a colorectal cancer is a genetical transferring, but on 5 percent from an all patients answer oncologist Tulina. As a most often colorectal cancer is displaying as sporadic ,as in a life process in cells of bowel are filling mutations and polyps forming,which are degenerating in tumor.And in a few patients in birth are having mutations in a few genes.As we are having a double genes as from mother and father,and from these genes are having breakages as they are high predisposition having to the cancer.And a person living all life and cannot to knew about these breakages. And sometimes a wrong genes as in bad life modes are displaying ,thus cancer displaying on the young age. And in your situation,as a need to know an age on which your grandma sicked, if 70/80 y.old,thus he had a sporadic colorectal cancer,which she lived of a all life, if she dead on 50 y.old,thus in her line are had genetical genes breakages ,thus you need to add right methods as saving of cancer. And if relatives having such cancer as on 60 y.old and less or an other gullet cancer, stomach, as women for are endometrium and neck uterine cancer,thus a such peoples are having a displaying for oncologic diseases as on the young age. And you need to do a colonoscopy as checker for bowel, as not matter if blood in stool have or not, as belly hurt, as polyps or malignant as also staying as non visible and without symptoms,thus after 50 y.old for all peoples needing checking colonoscopy and repeat it every ten years.And if relatives having oncology as less than 60 y.old,thus this is a threshold begin for colonoscopy as moving on an early age as since 40/50 y.old and repeat his for one time in three years or a how your doctor will advise!