Useful Patient Information . Cancer - Early Detection and Prevention John I. Yam, M.D. Cancer occurs at all ages, although the incidence is generally much higher in older people.
Cancer can strike anytime.
Early diagnosis, however, is often times possible and may be life-saving or may improve survival rate. Chronic cough or persistent hoarseness. Change in bowel habits for no good reason. Difficulty in swallowing. Persistent skin ulceration or lesions.