Johnston, who plans to retire in June, said he felt fortunate that his cancer was caught early and advises people over 50 to have a colonoscopy, a procedure that enables doctors to view the interior lining of the large intestine. There are no guarantees in this world, but if you catch it early the prognosis is good. Inc. All rights reserved. Early detection increases your chances of beating breast cancer. Be sure to do monthly breast self-exams .
Mammograms save lives.
Be sure to get yours. Sign up for Penn's free health e-mail newsletter .