Breast, lung and colon are the most common cancers in the world
IARC
Map of the incidence of cancer in the world
In the last year new cases of cancer have increased to 14.1 million worldwide and have logged more than 8.1 million deaths associated with this disease. Data Globocan 2012 report, the most comprehensive cancer study carried out by the International Agency for Research on Cancer (IARC) of the World Health Organization (WHO), provide the latest estimates of 28 cancers in 184 countries around the world and provides an overview of the incidence of this disease.
Globocan data show that there are three tumors that have experienced an increase and which are the most important worldwide: lung, breast and colorectal cancers. Of these the most deadly is the lung, with more than 1.6 million deaths recorded in 2012, 19.4% of the total. "The report reflects somehow what we thought: lung cancer is the deadliest," says Dolores Island, of the Spanish Society of Medical Oncology (SEOM). Although clarifies that in the case of Spain the most common tumor in 2012 has not been lung cancer, but prostate, with nearly 28,000 new diagnosed in 2012. "However he asserts, the deadliest remains the lung" . (Mortality in 2012 from lung cancer was 21,118 according to the Globocan report).
The figures for Spain show that in 2012 215,534 were diagnosed in Spain and, according to Globocan, it is estimated that by 2015 this figure will reach 227,076 diagnoses. "We are the oncologist says Lozano Blesa- zaragozano hospital in a very similar to the rest of the world situation, with figures very similar mortality and incidence."
priorities
IARC document indicates the need to prioritize prevention and control of breast and cervical cancer. Since 2008, the incidence of breast cancer has increased by more than 20%, while mortality has increased by 14%. In 2012, 1.7 million women were diagnosed by this type of tumor and more than 500,000 deaths.
Breast cancer is the most common cause of cancer death among women and the type of cancer most frequently diagnosed in 140 of the 184 countries worldwide. Currently, breast represents 25% of all cases of cancers in women. "It is the leading cause of cancer death in less developed countries assures David Forman, of the IARC. As a result of a change in lifestyle is increasing its incidence in the population because clinical advances to combat the disease are not reaching women living in those regions, "he says.
Breast, lung and colon are the most common cancers in the world
FOTOLIA
This fact calls attention to the island doctor. "It is true that breast cancer is very common, but so is fortunately that 85% of women are cured." Advances in treatments and especially screening campaigns for early diagnosis and prevention are exponentially increasing the "5-year survival in this tumor," says oncologist. The figures thus show it: according to the Globocan in 2012 were diagnosed in Spain 25,215 cases of breast cancer, while killed 6,075 women, a fact that, without being good, it is certainly much better than the 21,118 lives that cancer claimed lung.
"The problem with lung cancer is that we have no effective screening system to achieve early detection." And fail to report that, "although it is known that in 90% of cases are caused by snuff, and the 'brave' anti-smoking law passed in Spain, there is still much work to do."
Cervix
The cervical cancer, despite being the fourth most common disease in the world, has a higher incidence in sub-Saharan Africa. "This type of cancer can be devastating because it affects when women are at their best. But this disease should not be a death sentence, "says Rengaswamy Sankaranarayanan, Managing Director of IARC.
In this region the disease has a mortality rate of 22.5 per 100,000 women, far below the 2.5 per 100,000 women registered in North America. Some variations marked by the difference in access to treatment and detection systems. "There detection tools at low cost that could significantly reduce deaths from this disease in less developed countries, such as vaccination," recalls Sankaranarayanan.
Misdiagnosis, wrong treatment
Globocan authors estimate that new cancer cases increase to the 19.3 million cases per year in 2025 due to growth and aging of the world population, especially in the most disadvantaged areas. However, they acknowledge that these estimates are based on the most recent data available from the IARC. GLOBOCAN 2012, say the authors, provides a comprehensive profile of the cancer that has developed using a number of methods that rely on the availability and accuracy of the data. They are used, say, national sources when it has been possible, with local data and statistical models used in their absence.
For Dolores Island, scientific secretary of the SEOM, the "figures are there." The data, he notes, are "approximate, as was the case with the Eurocare, recently published". The oncologist says this is an "improved" very area, and stresses that you have to take with 'caution' these data when developing campaigns and prevention policies in cancer. "Without a proper diagnosis can not be made good treatment," he adds.
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