When teens get colorectal cancer, it’s often an aggressive form of the disease
Jo Henderson was 17 when she was diagnosed with advanced colorectal cancer. It came after months of symptoms — stomach pain, bloating, constipation — and months of testing. “I was expecting a gluten allergy, lactose intolerance,” said Henderson, now 18, of Seekonk, Massachusetts. “Literally anything but cancer.” Colorectal cancer in people younger than 20 is…