Cancer and Radiation Therapy advantages & disadvantages

What is cancer ?

The cancer is known as the malignant tumor or the malignant neoplasm , It is the group of diseases involving the abnormal cell growth with the potential to invade or spread to the other parts of the body , Not all the tumors are cancerous , The benign tumors do not spread to the other parts of the body .

There are signs and symptoms which are the new lump , the abnormal bleeding , the prolonged cough , the unexplained weight loss , and the change in the bowel movements among others  , While these symptoms may indicate the cancer , they may occur due to the other issues , And over 100 different cancers affect the humans .

The cancer happens when the cells that are not normal grow and spread very fast , The normal body cells grow and divide and know to stop growing ,They also die , Unlike these normal cells , The cancer cells just continue to grow and divide out of control and they don’t die when they are supposed to .

The cancer cells usually group or clump together to form the tumors , The growing tumor becomes the lump of the cancer cells which can destroy the normal cells around the tumor and they damage the body’s healthy tissues , And it can make someone very sick .

The cancer cells sometimes break away from the original tumor and they travel to the other areas of the body , where they keep growing and they can go on to form the new tumors ,This is how the cancer spreads , The spread of the tumor to the new place in the body is called the metastasis .

The cancer is not one disease but it is the large group of almost 100 diseases , There are two main characteristics which are the uncontrolled growth of the cells and the cells can migrate from the original place and they spread to the distant sites in the human body , If the spread is not controlled , The cancer can result in the death .

Radiation Therapy

Radiation Therapy

Radiation therapy advantages

The radiation therapy causes the death of the large proportion of the cancer cells within the entire tumor , The radiation alone may be used to cure the certain small tumors , It causes the death of the microscopic disease at the periphery of the tumor  (e.g. at the time of surgery) , And it can shrink the tumors ( which may help to relieve the mass effect ) .

The radiation therapy causes relative safety for the patient , It is painless , and generally does not require the anesthesia , It cause the synergy with systemic therapy ( It can kill more cells together ) , It helps in the organ preservation , It is stimulation of an immune response against the tumor , It will take about 15-30 minutes and you do not need to stay in the hospital .

The radiation therapy can help control the cancer growth , although it won’t cure the cancer , If you have locally advanced cancer , The radiotherapy and the chemo-radiotherapy may slow down the cancer growth , It can shrink the inoperable tumors enough so that the surgery to remove the tumor may then be possible , It can help to control the symptoms and the relieve pain .

Radiation therapy disadvantages

The radiation therapy causes damage to the surrounding tissues ( e.g. the lung , the heart ) , depending on their proximity to the tumor , It can not kill the tumor cells that can not be seen on the imaging scans and they are not included on the 3D models of the radiation planning , The radiotherapy and some types of the chemotherapy can cause the people to lose their hair .

The radiation therapy has the inability to kill all the cancer cells in the tumors ( this is true in particularly large tumors ) , It has the inability to relieve the mass effect ( i.e. pushing of the tumor on surrounding normal structures ) in certain parts of the body such as the brain , And the thereby requires the surgery .

The radiation therapy causes poor killing of cancer cells in the areas that do not have a good oxygen supply ( e.g. in the area after the surgery , in the limb with poor blood supply ) , It causes increased incidence in the wound complication and the poor healing ( e.g. if the surgery is used after the radiation or in the parts without good circulation ) .

The radiation therapy causes inconvenience of the radiation therapy , It causes contraindications to the radiation therapy (e.g. prior radiation , certain medical disorders) , It can be tiring and inconvenient to go to the hospital five days a week during your treatment  , It can cause the damage to the surrounding organs , And it can cause the side effects .

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