Oncology is a branch of medicine that deals with the prevention, diagnosis and treatment of cancer.
Cancer is a disease involving abnormal cell growth with the potential to invade or spread to other parts of the body. Over 100 types of cancers affect Humans.
Many cancers can be prevented by not smoking, maintaining a healthy weight, not drinking too much alcohol, eating plenty of vegetables, fruits and whole grains.
Vaccination against certain infectious diseases, not eating too much processed and red meat, and avoiding too much sunlight exposure.
There are three components which have improved survival in cancer.
Prevention:
This is by reduction of risk factors like obesity, tobacco and alcohol consumption
Early diagnosis:
Screening of common cancers and comprehensive diagnosis and staging
Treatment:
Multimodality managemen by discussion in multi-disciplinary cancer medicals and treatment in a comprehensive cancer centre