Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.
Sign & symptoms of Cancer :
- Fatigue or extreme tiredness that doesn’t get better with rest.
- Weight loss or gain of 10 pounds or more for no known reason
- Eating problems such as not feeling hungry, trouble swallowing, belly pain, or nausea and vomiting
- Swelling or lumps anywhere in the body
- Thickening or lump in the breast or other part of the body
- Pain, especially new or with no known reason, that doesn’t go away or gets worse
- Skin changes such as a lump that bleeds or turns scaly, a new mole or a change in a mole, a sore that does not heal, or a yellowish color to the skin or eyes (jaundice).
- Cough or hoarseness that does not go away
- Unusual bleeding or bruising for no known reason
- Change in bowel habits, such as constipation or diarrhea, that doesn’t go away or a change in how your stools look
- Bladder changes such as pain when passing urine, blood in the urine or needing to pass urine more or less often
- Fever or nights sweats
- Headaches
- Vision or hearing problems
- Mouth changes such as sores, bleeding, pain, or numbness
Lung, colorectal, breast, pancreatic, and prostate cancers are among the deadliest cancers .
The cancers with the lowest five-year survival estimates are mesothelioma (7.2%), pancreatic cancer (7.3%) and brain cancer (12.8%).
The highest five-year survival estimates are seen in patients with testicular cancer (97%), melanoma of skin (92.3%) and prostate cancer (88%).
