Cancer prevalence is defined as the number of living people who have ever been diagnosed with cancer. It includes people diagnosed with cancer in the past as well those who were recently diagnosed. Cancer prevalence is determined by how often a cancer occurs (incidence) and by how long people normally live after diagnosis (survival). This means prevalence counts are highest for the most common cancers with the longest survival.
Trinidad is located in the Caribbean, surrounded by the Caribbean Sea and the Atlantic Ocean. Trinidad is an island popular to tourists and is found northeast of Venezuela.
   ---    Trinidad is the larger of the two main islands of Trinidad &  Tobago which is in the Caribbean Sea quite close to t â¦ he  northeastern coast of Venezuela on the northern edge of South  America. It is off the coast at a point midway between Caracas,  Venezuela and Georgetown, Guyana. would ask what your definition of a continent is first. The short answer is South America. People might contest that but then you could also contest that Manhattan is an island and is therefore not a part of North America.