Cancer: Increasing Awareness and Addressing This Lethal Disease on the Global Stage
Fig. 1: Top 10 Cancers by Incidence—Current Rates in the United States.
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Table 1. This an example of what a figure would look like.
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– John Smith, MD
–>The ASCO Post is pleased to introduce this special focus on the worldwide cancer burden, beginning in this issue with a close look at the cancer incidence and mortality rates in the United States. The aim of this special feature is to highlight the global cancer burden for various countries of the world. For the convenience of the reader, each issue will focus on one country from one of the six regions of the world as defined by the World Health Organization (ie, Africa, the Americas, South-East Asia, Europe, Eastern Mediterranean, and Western Pacific). Each section will focus on the general aspects of the country followed the current and predicted rates of incidence and cancer-related mortality. It is hoped that through these issues, we can increase awareness and shift public policy and funds toward proactively addressing this lethal disease on the global stage.
Cancer is a leading cause of morbidity and mortality across the globe. Worldwide, there were 14.1 million new cancer cases, 8.2 million cancer-related deaths, and 32.6 million people alive with a cancer diagnosis in the year 2012. Overall the incidence of cancer tends to be almost 25% higher in men. The worldwide rates of incidence of new cancer cases and cancer-related mortality are expected to rise significantly over the next few decades. The overall incidence of new cancer cases worldwide is predicted to increase from 15.2 million in 2015 to 23.9 million in 2035. Similarly the incidence of cancer-related deaths worldwide is expected to rise significantly from 8.8 million to 14.6 million.
Burden of Cancer Greater in Less Developed Regions
Although we will witness an alarming rise in the overall global cancer burden, the worldwide distribution of new cancer cases and cancer-related mortality will be extremely uneven. In 2012, nearly 57% of the new cancer cases and 65% of the cancer-related deaths occurred in the less developed regions of the world. This differential increase in the incidence and cancer-related mortality rates in the less developed regions of the world will be further accentuated due to various factors. These factors include increasing population, extended lifespan, adoption of western lifestyle habits, increasing rates of obesity, and better control of communicable diseases.
Analysis of the cancer burden based on the regions as divided by the World Health Organization (WHO) reveals the marked differences (see Table in “Cancer Incidence and Mortality Rates Worldwide”). Although the cancer burden is shown to increase over the next 3 decades in all six of these regions (ie, Africa, the Americas, South-East Asia, Europe, Eastern Mediterranean, and Western Pacific), these differences are starkly higher for the African and Eastern Mediterranean regions when compared to the European region.
While these data may change due to various factors over the next few decades, the general trends lead us to assume that cancer will become a major public health burden of global proportions. It is imperative that the public, health-care community, and the respective governments are made aware of this looming cancer burden that can inflict severe damage to large populations and thereby affect the financial and socieconomic fabric of various nations. ■
Disclosure: Dr. Are reported no potential conflicts of interest.
The Economist: Pocket World in Figures 2015