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Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5]
When cancer begins, it produces no symptoms. Signs and symptoms appear as the mass grows or ulcerates. The findings that result depend on cancer's type and location. Few symptoms are specific. Many frequently occur in individuals who have other conditions. Cancer can be difficult to diagnose and can be considered a "great imitator". [31]
In children under 15 in first-world countries, the five-year survival rate is greater than 60% or even 90%, depending on the type of leukemia. [13] In children who are cancer-free five years after diagnosis of acute leukemia, the cancer is unlikely to return. [13] In 2015, leukemia was present in 2.3 million people worldwide and caused 353,500 ...
The signs and symptoms of colorectal cancer depend on the location of the tumor in the bowel, and whether it has spread elsewhere in the body ().The classic warning signs include: worsening constipation, blood in the stool, decrease in stool caliber (thickness), loss of appetite, loss of weight, and nausea or vomiting in someone over 50 years old. [15]
A recent study shows that lowering cancer risk is much easier and takes far less time than we think. As The post Study finds lower cancer risks with just 60 seconds of daily movements appeared ...
[3] [25] It is the second-most common cause of female-specific cancer after breast cancer, accounting for around 8% of both total cancer cases and total cancer deaths in women. [ 26 ] 88% (2020 figure) of cervical cancers and 90% of deaths occur in low- and middle-income countries (LMICs) and 2% (2020 figure) in high-income countries (HICs) .
A RAND Corporation study pinpointed several unexpected predictors at age 60 that will likely lead to dementia later on. Researcher Peter Hudomiet and expert Dr. Marcie Smith discuss the health ...
In males, researchers suggest that the overall reduction in cancer death rates is due in large part to a reduction in tobacco use over the last half century, estimating that the reduction in lung cancer caused by tobacco smoking accounts for about 40% of the overall reduction in cancer death rates in men and is responsible for preventing at least 146,000 lung cancer deaths in men during the ...