Why can't cancer be cured?
While cancer can't be cured, that's not how oncologists and cancer experts think about a successful treatment. They refer to it as complete remission, allowing for the fact that cancers can recur.Myriads of mutations exist

Every cancer is caused by a different set of mutations and as the tumour grows, more and more mutations accumulate. This means that every tumour has an individual set of mutations, so a drug that works for one cancer patient, might have absolutely no effect on another.Normal cells have 'safety' mechanisms in place that stop them from growing or dividing too much, and every day our immune system kills off cells that could have become a problem. Cancer cells have lost these mechanisms and can hide from the immune system, so they survive and continue to grow out of control.

What cancers Cannot be cured : The 10 deadliest cancers, and why there's no cure

  • Pancreatic cancer.
  • Liver cancer and intrahepatic bile duct cancer.
  • Esophageal cancer.
  • Lung cancer and bronchus cancer.
  • Acute myeloid leukemia.
  • Brain cancer and other nervous system cancer.
  • Stomach cancer.
  • Ovarian cancer.

Why does cancer exist

Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.

Which cancers are 100% curable : 5 Curable Cancers

  • Prostate Cancer.
  • Thyroid Cancer.
  • Testicular Cancer.
  • Melanoma.
  • Breast Cancer — Early Stage.

If defining "fastest-killing" cancer is based on which cancer has the worst 5-year relative survival rate, then it would be a tie between pancreatic cancer and malignant mesothelioma (a relatively rare cancer in the U.S. with about 3,000 cases a year).

Stage 4 cancer isn't usually curable, but treatment may improve overall survival and quality of life. Treatment options and survival rates for stage 4 cancer greatly depend on the type of cancer, how well it responds to treatment, a person's overall health, and several other factors.

Can Stage 4 cancer survive

Stage 4 cancer, or metastatic cancer, is an advanced cancer. This usually means that the cancer has spread beyond its original location into nearby organs or other distant parts of the body. Although this advanced stage of cancer requires expert care, people may live for several years after treatment.Lung and bronchus, colorectal, pancreatic, and breast cancers are responsible for nearly 50% of all deaths.Cancer develops when the normal processes that control cell behaviour fail and a rogue cell becomes the progenitor of a group of cells that share its abnormal behaviours or capabilities. This generally results from accumulation of genetic damage in cells over time.

Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.

What are 90% of all cancers : Carcinoma refers to a malignant neoplasm of epithelial origin, also referred to as cancer of the internal or external lining of the body. Carcinomas account for 80 to 90 percent of all cancer cases.

Is Stage 4 cancer 100% death : Stage 4 is the most severe stage of cancer, but it is not always terminal. Doctors use a wide range of factors to classify cancer's stage, including the size and locations of tumors and the person's overall health.

Is there stage 5 cancer

The term stage 5 isn't used with most types of cancer. Most advanced cancers are grouped into stage 4. An exception is Wilms tumor, or nephroblastoma, a childhood cancer that originates in the kidneys. Stage 5 Wilms tumors are those that affect both kidneys.

Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes. A DNA change can cause genes involved in normal cell growth to become oncogenes.Cancer is caused by certain changes to genes, the basic physical units of inheritance. Genes are arranged in long strands of tightly packed DNA called chromosomes. Cancer is a genetic disease—that is, it is caused by changes to genes that control the way our cells function, especially how they grow and divide.

Why does cancer still exist : Cell division is an imperfect process; like a biological keyboard with a letter missing, it makes mistakes. For that reason, it is unlikely that cancer could ever be eradicated.