Why does someone get cancer multiple times? Is it because of bad luck? Six reasons may be hard to avoid

"Once you get cancer, do you produce 'antibodies'?" And then you won't get cancer again? "How is that possible! If there are antibodies, why are there so many cancers? "Why can a person have multiple cancers at the same time?" First of all, after cancer, not only will not produce any antibodies, some people will even have two or more cancers in their lifetime.
, the most famous feminist and writer of the 20th century, developed breast cancer in the 1970s, and not only did she succeed in fighting cancer, but she also wrote her famous book Metaphor of Disease based on her experience in fighting cancer.
, Susan developed uterine cancer, but that didn't stop her from living.
until 2004, when 71-year-old Susan Sontag died of acute myeloid leukemia.
she had three types of cancer in her life, but also lived to the age of 71.
U.S. Justice Ruth Bader Ginsburg died of complications from pancreatic cancer on September 18 at the age of 87.
the old man also had three types of cancer, colon cancer in 1999, pancreatic cancer in 2009 and lung cancer in 2018.
clinically, people like these two have had three cancers, known as "polygene tumors."
of cancers occur in a person, and there is no association between the various cancer species, the occurrence of cancer is not caused by recurrence or metastasis.
criteria for diagnosis of polygenic cancer are that each tumor is diagnosed as malignant, and each tumor has significant case characteristics, ruling out the possibility of metastasis and recurrence.
patients with multiple primary cancer, secondary cancer is relatively common, and the probability of triple cancer and triple cancer is low.
factors may affect the multiple occurrences of cancer? The primary cause of the development of polygenic cancer is genetic factors.
statistics show that the proportion of patients with multiple primary cancers with a family history of tumors is 14%-50%.
Their familial susceptible genes are more common, and susceptible genes can also occur in the replication process, such as misalignment repair gene mutations can not only lead to colorectal cancer and stomach cancer, but also increase the incidence of gynaecological tumors, urinary tumors.
age factor is also critical.
normal cells evolve into cancer cells, which often take 20-30 years, meaning it can take a long time to become ill if exposed to many carcinogenic factors at a young age.
In the age phase, the risk of new cancers increases with age, even as treatment improves and age leads to low immune function, if there is more than one carcinogen in exposure at a young age.
jamA Oncology, an international oncology journal, also show that older cancer patients over the age of 65 have a 25.2 per cent chance of developing secondary cancer, compared with an 11 per cent chance for young people.
is also an important cause of reduced immunity.
If a person has cancer in middle age and has been treated to a cure, his immunity has been severely impaired relative to the healthy population, even though his life has been extended.
so in the days that follow, patients who have had cancer must have a greater risk of cancer than those in the healthy group when they were attacked by a new cancer.
there is also a situation in which the original carcinogenic environment or habits have not changed.
a patient who has had cancer and has been cured, he has a good chance of getting cancer again if he continues to maintain bad habits or is exposed to cancer-causing factors for the rest of his life.
in cancer treatment, radiotherapy and chemotherapy are conventional treatments.
but chemotherapy itself can affect genetic changes in the body and even produce certain mutations.
means that cancer patients who have underwent chemotherapy and are cured are more likely to develop other cancers later on.
the last case, some people themselves suffer from the body's defective immune disease, leading to an increased risk of multiple primary cancer.
have multiple cancers, is there a need for treatment? Some people may think that they have cancer two or three times, is there no cure? Look at the recently-passed U.S. Justice Ginsberg, who had cancer three times in his life, the highest death rate of pancreatic cancer in 2009, but survived until 2020 and died at the age of 87.
suggests that even with multiple primary cancers, the chances of survival are not much different from that of a single cancer.
there is no difference in treatment between multiple primary cancer and primary cancer.
routine surgery, radiotherapy and chemotherapy are suitable for polygenic cancer, new targeted drugs and immunotherapy, as well as to increase the survival of patients with multiple primary cancer has a very good effect.
can also achieve good results if we can find out early and choose the right treatment.
healthy lifestyle is the key to preventing cancer for the general public.
, no one knows whether they will get cancer, let than whether they will get cancer again after cancer.
then, prevention from the very beginning, whether it is reasonable eating habits, or adhere to the body to maintain the law of rest, this is the best and lowest cost to prevent all diseases, including cancer.
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