Cancer Screening and Diagnostics

Various types of cancers are classified based on site of origin or affected tissues or cells such as Carcinoma, Sarcoma, Lymphoma, Leukemia, Myeloma and Mixed type cancer. Cancer that originates from epithelial layer of cells that form the lining of external part of the body or internal lining of organs within the body are called Carcinoma. Sarcoma originates in connective tissues such as muscles, bones, cartilage. Myeloma type cancer arises from plasma cells of bone marrow. It is a type of blood cancer. Leukemia is a type of cancer in which tumour cells affect blood cells. Cancer originated from lymphatic system is called lymphoma. Breast cancer, liver cancer, colorectal cancer, cervical cancer, lung cancer and pancreatic cancer are organ specific cancer.

Cancer screening tests aim to find cancer early, before it causes symptoms and when it may be easier to treat successfully. Effective screening tests are those that:

Find cancer early

  • Reduce the chance that someone who is screened regularly will die from the cancer
  • Have more potential benefits than harms. (Possible harms of screening tests include bleeding or other physical damage, inaccurate test results, and overdiagnosis—the diagnosis of cancers that would not have caused problems and did not need treatment.)
  • Diagnosing cancer at its earliest stages often provides the best chance for a cure. With this in mind, talk with your doctor about what types of cancer screening may be appropriate for you.
  • For a few cancers, studies show screening tests can save lives by diagnosing cancer early. For other cancers, screening tests are recommended only for people with increased risk.

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