How is it possible to recognize cancer at an early stage if the early stages are almost asymptomatic?

How is it possible to recognize cancer at an early stage if the early stages are almost asymptomatic?

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Answers (2)

Answer 1
October, 2020

Indeed, one of the main problems in the diagnosis of oncological diseases is that most tumors do not manifest themselves at an early stage. An exception can be made only by skin tumors in view of the elementary - they can simply be seen. Screening was invented to detect tumors in the early stages and subsequent timely treatment. Currently, there are proven screening programs for 4 tumors: breast cancer, colon and rectal cancer, lung cancer and cervical cancer.

In particular:

1) Breast cancer: women need to have mammograms every year starting at age 45. Then, starting from 50-54 years, the terms change.

2) Colorectal cancer: sigmoidoscopy or colonoscopy every 5 years, starting from 50 years. or an annual test for occult blood in the feces, starting at the age of 50.

3) lung cancer: people aged 55-74 who have an above average risk of occurrence, and these are smokers with a 30 pack-year smoking experience ...

4) cervical cancer: girls aged 21-29 have a pap smear test of the cervix every 3 years. 30-65 years old - Pap test every 3 years, or plus a test for HPV

Unfortunately, the use of such screening methods has not been proven for other cancer diseases.

Answer 2
October, 2020

Get in the habit of having a medical examination every year, including tests. This is perhaps the most effective tactic that will make it possible to detect cancer and a host of other serious diseases in the early stages of development. The likelihood of this, of course, is not one hundred percent, but clearly higher than that of those who do not pass such medical examinations. Cancer in the modern world has long been diagnosed at an early stage.

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