Breast Cancer Now the Leading Cancer Diagnosis

THURSDAY, February 4, 2021 (HealthDay News) – Breast cancer has overtaken lung cancer as the most commonly diagnosed cancer in the world.

In 2020, there were an estimated 19.3 million new cancer cases and nearly 10 million cancer deaths worldwide, according to the Global Cancer Statistics 2020 report from the American Cancer Society (ACS) and the International Center. for cancer research.

Overall, 1 in 5 people get cancer in their lifetime; 1 in 8 men and 1 in 11 women die from the disease.

Female breast cancer was the most frequently diagnosed cancer last year, with around 2.3 million new cases (11.7%), followed by lung (11.4%), colon (10%), prostate (7.3%) and stomach (5.6%) cancers, according to the study.

The report – published on February 4 in CA: A Cancer Journal for Clinicians – examined 10 main types of cancer that account for over 60% of new diagnoses and over 70% of cancer deaths.

He found that breast cancer is on the rise in countries with historically low rates.

“Dramatic changes in lifestyle and the built environment have impacted the prevalence of breast cancer risk factors such as excess body weight, physical inactivity, alcohol consumption, postponement of motherhood, fewer deliveries and less breastfeeding, ”the authors said in an ACS. Press release.

These factors, along with changes as countries go through periods of social and economic transition, have narrowed international differences in cancer rates, researchers said.

Breast cancer death rates in transition countries were higher than in transition countries (15 and 12.8 per 100,000, respectively), despite significantly lower incidence rates (29.7 and 55, 9 per 100,000, respectively), the report says.

The poor results in these countries are largely due to subsequent diagnosis and treatment, the authors said.

“Efforts to promote early detection, followed by timely and appropriate treatment, are urgently needed through the implementation of evidence-based and resource-stratified guidelines,” said lead author Hyuna Sung, senior scientist at ACS, in the release.

Lung cancer remained the leading cause of cancer death in 2020, with around 1.8 million deaths (18%), followed by cancers of the colon (9.4%), liver (8.3%), stomach (7.7%) and breast in women (6.9%).

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Jothi Venkat

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