Table of Contents
About Cancer
Cancer is a group of diseases that involve abnormal cell growth with the potential to invade or spread to other parts of the body. These cells are called cancer cells. Cancer cells can spread to other parts of the body through the blood and lymph systems.
There are over 200 different types of cancer, each with its own unique name and treatment. Cancers are typically named for the organ or tissue where they start. For example, lung cancer starts in the lungs, and breast cancer starts in the breasts. However, some cancers, such as leukemia, can start in any type of blood cell.
Cancer cells can grow and divide uncontrollably. They can also spread to other parts of the body. This can cause damage to the organ or tissue where the cancer started, and can also spread to other organs in the body.
Cancer is not just one disease, but rather a group of diseases. Each type of cancer has its own unique causes, symptoms, and treatments.
How Does Cancer Develop?
Cancer is a disease that develops when cells in the body begin to grow out of control. Normally, cells in the body grow and divide in a controlled way to replace old or damaged cells. Cancer starts when something goes wrong and the cells keep dividing even when there is no need for them. These extra cells can form a tumor.
Cancer can develop in any part of the body. The cause of cancer is not always known, but there are many things that can increase your risk of developing the disease. These include smoking, overexposure to the sun, and having a family history of cancer.
Cancer cells can spread to other parts of the body. This is called metastasis. When cancer cells spread, they can damage other tissues and organs.
Causes of Cancer
There are many different causes of cancer. Some cancers are caused by lifestyle choices, such as smoking or being overweight. Others are caused by things we can’t control, such as the genes we inherit from our parents. Still others are caused by infections.
Some of the most common causes of cancer include:
smoking
being overweight or obese
not getting enough exercise
consuming too much alcohol
eating a diet high in processed foods and red meat
being exposed to radiation
being exposed to certain chemicals, such as asbestos
having a family history of cancer
Types of Cancer
There are more than 100 different types of cancer, each with its own unique set of characteristics. But, all cancers are essentially caused by uncontrolled cell growth. Normal cells in the body grow and divide to create new cells as needed. But cancer cells grow and divide without stopping, forming tumors.
Cancer can start almost anywhere in the body, but it most commonly begins in the lungs, breasts, prostate, or colon. Cancer cells can spread from the original tumor to other parts of the body, a process called metastasis. This can cause secondary tumors (metastases) to form in other organs.
Cancer can be treated with surgery, radiation therapy, chemotherapy, or a combination of these treatments. The type of treatment depends on the type of cancer, its stage (how advanced it is), and the patient’s health status.
Diagnosis of Cancer
The diagnosis of cancer begins with a physical examination and a review of the person’s medical history. The doctor will check for any physical signs of cancer, such as lumps or lesions. The doctor will also ask about the person’s risk factors for cancer and any symptoms the person is experiencing.
If cancer is suspected, the doctor will order various tests to confirm the diagnosis. These tests may include a biopsy, imaging tests, and blood tests.
The diagnosis of cancer is a serious and life-changing event. It is important to have timely and accurate information about the disease and the available treatment options.
Treatment of Cancer
Cancer is a disease characterized by the uncontrolled growth of cells. The cells can invade and damage nearby tissues and organs. Cancer treatment is aimed at destroying or stopping the growth of cancer cells, and preventing the spread of cancer to other parts of the body. Treatment options include surgery, radiation therapy, chemotherapy, and targeted therapy.
Types of Tumour
There are many types of tumours, but they can be broadly classified into two types: cancerous and non-cancerous.
Cancerous tumours are those that have the potential to spread to other parts of the body and can be life-threatening. Non-cancerous tumours, on the other hand, are those that do not spread and are not life-threatening.
Some of the most common types of cancerous tumours include:
-Lung cancer
-Breast cancer
-Prostate cancer
-Colorectal cancer
Some of the most common types of non-cancerous tumours include:
-Benign tumours
-Malignant tumours
Benign Tumour
A benign tumour is a mass or lump that is not cancerous. Benign tumours are usually not life-threatening and can often be removed without causing any long-term problems.
Malignant Tumour
A malignant tumour, also known as a cancerous tumour, is a type of tumour that is capable of spreading to other parts of the body. Malignant tumours are made up of cancerous cells, which are cells that have the ability to divide and grow uncontrollably.
Premalignant Tumors
A pre-malignant tumor is a tumor that has not yet become cancerous.
Some pre-malignant tumors can become cancerous over time, while others will not.
A pre-malignant tumor is usually treated with surgery, radiation therapy, or chemotherapy in an effort to prevent it from becoming cancerous.
