A cancer oncologist is one who identifies and treats malignant tumors in any part of the body. Cancer is the world’s second largest death causing disease. Nearly 40 percent of the people are diagnosed with cancer every year. Improvement in technology has improved the survival rate for cancer in recent times. An oncologist detects the presence of cancerous tissue by analyzing symptoms like fever, vomiting, fatigue, pain in the lump, changes in bowel movements, prolonged cough, hoarseness and indigestion. Presence of any lump in the body need not be cancerous. Also cancerous cells need not be present only in lumps, it may also be present in the blood.
The oncologists have discovered the cause of cancer is due to the mutations that occur in the DNA of every cell. It is this mutation that causes cancerous cells. The oncologists have studied that these mutations are caused by different factors like genetic mutation and promoter and aggressor causing rapid cell growth. Genetic mutation is nothing but inheriting the cancer causing gene from predecessor. Progressors and aggressor come from the environmental sources or they maybe inherited. The oncologists also give information to their patients about the risk factors that cause this disease.
The risk factors are age, family history, health conditions and life style. Cancer can develop in any individual irrespective of age but it is mostly detected in older people. Adopting certain lifestyles like drinking alcohol and smoking can cause cancer at an early age. Living in an environment that is filled with harmful elements like asbestos can cause lung cancer very easily. There are many advanced treatments and technologies to treat cancer at any stage. People above 40 years are advised to do a general check up for the presence of cancerous tissues. Oncologists promise one hundred percent cure if the cancer is detected at an early stage
