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When normal cells transform into tumour cells in a multistage process it causes cancer. It usually progresses from a pre-cancerous lesion to a malignant tumour. The changes are impacted due to a person’s genetic factors and the three categories of external agents.
These include the following:
Physical carcinogens, such as ultraviolet and ionizing radiation; Chemical carcinogens, such as components of tobacco smoke, aflatoxin, asbestos, and arsenic Biological carcinogens, such as infections from certain bacteria, viruses, or parasites. At Careever, we have world-class oncologists who are empathetic towards patients and understand what you are going through. Book an appointment to consult our doctors and get advice on your medical condition. The global scenario of cancer is alarming. Cancer was responsible for an estimated 9.6 million deaths in 2018 and is considered the second leading cause of death globally even today. About one out of six deaths are due to cancer globally, while approximately 70% of deaths from cancer occur in low- and middle-income countries. Each year, over 1.5 million new cancer cases are diagnosed. Although anyone can get diagnosed with cancer at any age, however, the risk goes up with age. Every 9 out of 10 cancers are diagnosed in people aged 50 and above.