I was wondering if it s possible for a 20 year old to have colon cancer? My family has pylops that run in the family but no one has ever gotten cancer or even died from cancer in the family. I am a 20 year old African American male. I ve had a few symptoms for quite a while such as change in bowel movements my stools always come out different some normal some small some thin some hard and some lumpy. The other day was the first time my stool had a small blood streak i didn t know if it was from straining but it was a little difficult to past the stool. Does this sound like colon cancer to you ? I m very scared and I do not want to die !!! Nobody in my family has had colon cancer nor died from it and I do not want to be the first. I had an upper gi test done. And I love gotten a cold and the doctors took my blood to run some test to see what it was a few months ago and everything came back good. But if I did have cancer would it show up in that blood test they ran ? My blood levels and everything else was healthy. Could it be colon cancer ? I ve had these symptoms for some months and Google keeps saying its colon cancer I m very scared I m so young!