Facts About Cancer | Overview | Oncology

Important facts about cancer

Key facts about cancer

Facts about cancer: Cancers are among the leading causes of death worldwide, with 9.6 million deaths in 2018. Lung, colorectal, stomach, liver, and breast cancers cause the majority of cancer deaths each year. The most shared types of cancer differ between men and women.

Approximately one-third of cancer deaths are due to the top five behavioral and dietary risks: high body mass index, low fruit and vegetable intake, physical inactivity, tobacco use, alcohol use, and are therefore preventable.

Cancer-causing infections, such as HBV / HCV and HPV, are accountable for up to 25% of cancer cases in low- and middle-income countries.

Tobacco use is the most important risk factor for cancer, causing more than 20% of cancer deaths worldwide.

Cancer arises from the rapid creation of abnormal cells that grow beyond their normal limits. Change can be initiated by external agents and inherited genetic factors.

More than 60% of the total annual new cases in the world occur in Africa, Asia, and Central and South America. These regions account for 70% of cancer deaths in the world.

11 facts about cancer

Here are the detailed facts about cancer

  1. Cancer is a group of diseases characterized by uncontrolled growth and the spread of abnormal cells. There are more than 100 kinds of cancer and any part of the body can be affected.
  2. The most common cancers diagnosed in men are prostate, lung, and colorectal. For women, the 3 most common cancers are breast, lung, and colorectal.
  3. In 2020, an assessed 1.8 million new cancer cases and 606,520 cancer deaths will be diagnosed in the United States.
  4. 80% of all cancers in the United States are diagnosed in people 55 and older.
  5. Childhood cancers account for 1 percent of all new cancer diagnoses. In 2018, around 15,590 children and adolescents aged 0-19 were diagnosed with cancer. Although rare, cancer is the leading cause of death from illness in children.
  6. About 67% of Americans diagnosed with cancer survive five years or more after their diagnosis.
  7. In 2016, there were an estimated 15.5 million cancer survivors in the US The number of cancer survivors is expected to increase to 20.3 million by 2026.
  8. Cancer is the second leading cause of death worldwide, accounting for 1 in 6 deaths worldwide.
  9. Globally, approximately 70% of cancer deaths occur in low- and middle-income countries.
  10. 30-50% of cancer cases are preventable. The following behaviors can help lower your risk of cancer: maintaining a healthy body mass index, eating large amounts of fruits and vegetables, exercising regularly, avoiding tobacco use, and limiting alcohol consumption.
  11. Tobacco use is the leading preventable cause of cancer. Tobacco smoking accounts for 30% of all cancer deaths and 80% of all lung cancer deaths. Encourage your loved ones to quit smoking.

Cancer facts and figures

Cancer Facts & Figures 2020 is an educational supplement to Cancer Statistics 2020, a scientific article published in the American Cancer Society, CA: A Cancer Journal for Clinicians. The annual Facts & Figures report provides:

Estimated number of new cancer cases and deaths in 2020 (in 2020, an estimated 1.8 million new cancer cases and 606,520 cancer deaths will be diagnosed in the United States).

Current statistics on cancer incidence, mortality, and survival.

Info on cancer symptoms, risk factors, early discovery, and treatment.

(Please note: The projected number of new cancer cases and deaths in 2020 should not be compared to previous years to track cancer trends because they are model-based and vary from year to year for reasons other than changes in occurrence Age-standardized Incidence and mortality rates should be used to measure cancer trends).

Types of cancers

Cancer can be classified according to the type of cell it starts from. There are five main types:

  • Carcinoma: Cancer that arises from epithelial cells (the lining of cells that helps protect or enclose organs). Carcinomas can invade surrounding tissues and organs and metastasize to lymph nodes and other areas of the body. The most common procedures of cancer in this group are breast, prostate, lung, and colon cancer.
  • Sarcoma: A type of malignant tumor of the bone or soft tissue (fat, muscle, blood vessels, nerves, and other connective tissues that support and surround organs). The most shared forms of sarcoma are leiomyosarcoma, liposarcoma, and osteosarcoma.
  • Lymphoma and myeloma: Lymphoma and myeloma are cancers that start in the cells of the immune system. Lymphoma is a cancer of the lymphatic system, which runs throughout the body and, therefore, can appear anywhere. Myeloma (or multiple myeloma) begins in plasma cells, a type of white blood cell that makes antibodies to help fight infection. This cancer can affect the cell’s ability to produce antibodies effectively.
  • Leukemia: Leukemia is a cancer of the white blood cells and bone marrow, the tissue that makes up blood cells. There are numerous subtypes; common are lymphocytic leukemia and chronic lymphocytic leukemia.
  • Brain and spinal cord cancers: These are known as cancers of the central nervous system. Some are benign, while others can grow and spread.

Stages of cancer

Depending on the severity of cancer in your body and how far it has spread through your body, doctors will say that it has reached a particular stage. Stages with low numbers mean that cancer has not spread very much. Stages with high numbers mean that cancer has spread from one part of the body to another, which tends to make cancer more serious and harder to treat. Most cancers have four phases: stage I (one) to IV (four). Some cancers also have stage 0 (zero).

  • Stage 0. This stage describes cancer in place or “in situ.” Stage 0 cancers are still in “the place” where they started. They have not spread to nearby tissues. This stage of cancer is often highly curable, usually by eliminating the entire tumor with surgery.
  • Stage I. Stage I is often called “early-stage or localized” cancer. It is usually small cancer or tumor that has not grown deep into the surrounding tissue. It has also not spread to the lymph nodes or other parts of the body.
  • Stage II and Stage III. These stages indicate larger cancers or tumors that have grown deep into the surrounding tissue. They may also have a feast to the lymph nodes, but not to other parts of the body. This is generally known as “Regional Extension”.
  • Stage IV. This phase means that cancer has spread to other organs or parts of the body. It is sometimes called “progressive” or “metastatic” cancer.

Doctors who educate and treat cancer are called “oncologists.” Oncology, the study of cancer, has three parts:

  • Cancer prevention – Helps people avoid cancer.
  • Cancer diagnosis – Find out who has cancer, what type, and what stage.
  • Cancer treatment – Help determine treatment options for patients to help treat cancer and/or symptoms.

Facts about cancer

Facts about cancer are important to remember that if you have been diagnosed with cancer, you are not alone. The National Cancer Institute, part of the National Institute of Health, provides the following statistics and facts about cancer in the United States:

  • About 40% of individuals will be diagnosed with cancer at some point in their lives.
  • In 2016, more than 1.6 million new suitcases of cancer were diagnosed.
  • Although nearly 16,000 children were diagnosed with cancer in 2014, about 88% survived it.
  • Almost 14.5 million people lived beyond a cancer diagnosis in 2014.
  • Cancer is one of the foremost causes of death worldwide.
  • The most common cancers are breast cancer, lung cancer, prostate cancer, colon and rectal cancer (“colorectal”), bladder cancer, and melanoma (a type of skin cancer).

More men than women die of cancer

Amongst ethnic groups and genders, cancer deaths are most common among African American men and lowest among Asian and Pacific Islander women.

The World Health Organization provides the following statistics on cancer around the world: 2 Worldwide, cancer is one of the leading causes of death. In 2012, cancer caused more than 8 million deaths.

The most common causes of cancer death worldwide are lung cancer, liver cancer, stomach cancer, colon and rectal cancer, breast cancer, and esophageal cancer.

Globally, the most important risk factor for cancer, something that can cause cancer, is tobacco use, which is associated with 20% of all cancer deaths and 70% of lung cancer deaths.

Between 2012 and 2032, the number of new cancers diagnosed globally each year is expected to increase from 14 million to 22 million. The most common form of cancer in the US is breast cancer. The most common cancer that causes death is lung cancer. Cancer. Besides skin cancer, the three most common types of cancer in American men are prostate cancer, lung cancer, and colorectal cancer. In American women, in addition to skin cancer, the three most common forms are breast cancer, lung cancer, and colorectal cancer.

Prevention

Between 30% and 50% of cancer deaths could be prevented by modifying or evading key risk factors and applying existing evidence-based prevention strategies. The cancer burden can also be reduced by detecting cancer early and treating patients who develop cancer. Prevention also offers the most cost-effective long-term strategy for cancer control.

Adapting or avoiding the next key risk factors can help prevent cancer:

  • Avoiding tobacco use, including cigarettes and smokeless tobacco
  • Keep a healthy weight
  • Eat a healthy diet with loads of fruits and vegetables
  • Exercise regularly
  • Limit alcohol consumption
  • Practice safe sex
  • Get vaccinated in contradiction of hepatitis B and human papillomavirus (HPV)
  • Reduce exposure to ultraviolet radiation and ionizing radiation (occupational or medical imaging)
  • Avoid urban air pollution and indoor smoke due to domestic use of solid fuels
  • Get regular medical care

About chronic infections are also risk factors for cancer. People in low- and middle-income countries are more likely to develop cancer-finished chronic infections.

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