origin: the health times
colorectal cancer is a malignant tumor in the colon. With the improvement of living standard, the change of diet structure The incidence of the disease is increasing year by year.
China Cancer Hospital / National Cancer Center of the Chinese Academy of Medical Sciences (NCI) published in 2015, China cancer statistics show that the incidence and mortality of colorectal cancer in China are the top 5 in all malignant tumors, including 376 thousand of new cases and 191 thousand of deaths.
photo source: Health times
according to statistics, people aged 40 to 50 have the highest incidence of colorectal cancer.
photo source: the health times
most colorectal cancer has no symptoms in the early stages, so when the patient feels very healthy, cancer may have progressing "quietly" for years. Symptoms may include: