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It helps determine how serious the cancer is and how best to treat it. Doctors also use a cancer’s stage when talking about survival statistics. The earliest stage colorectal cancers are called stage 0 (a very early cancer), and then range from stages I (1) through IV (4). As a rule, the lower the number, the less the cancer has spread.

Find out how colorectal cancer is tested for, diagnosed, and staged. Finding cancer early, when it’s small and hasn’t spread, often allows for more treatment options. Some early cancers may have signs and symptoms that can be noticed, but that’s not always the case. Can Colorectal Polyps and Cancer Be Found Early?

Unlike some diseases, colon cancer typically dies not produce symptoms or signs in its early stages. This is why following screening recommendations is critical. The earlier a colon cancer is detected, the greater the likelihood of successful treatment. Colon cancer may begin to produce symptoms and signs as it grows and expands.

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Abstract. By comparison, patients with COPD are generally 50–80 yrs of age, and patients with COPD have a higher risk for lung cancer than heavy smokers with normal lung function [ 4 ]. Therefore, LDCT screening of COPD patients may be expected to achieve a higher lung cancer detection rate than detection by screening heavy smokers.

The presence of symptoms is not a reliable indicator of disease and diagnosis is often delayed until more severe airflow obstruction is present. Early diagnosis is worthwhile, as it allows risk factors for COPD such as smoking to be addressed promptly and treatment optimised.

Office spirometry significantly improves early detection of COPD in general practice: the DIDASCO Study. Chest 2004; 125: 1394–1399. . Lung cancer rates convergence in young men and women in the United States: analysis by birth cohort and histologic type.

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