The body of a human being is made up of trillions of cells. Moreover, these cells either get replaced by new cells when they die off. Most of the time the DNA of these cells can get damaged. The immunity system of a human body can control a few abnormal cells to affect other body parts.
Cancer occurs when there is an increasing growth of abnormal cells in the body. These cells continue to multiply, grow, and takes the shape of a tumor.
Finally, this abnormal growth makes these cells move to different parts of the body. Further, researchers have found that more than a hundred types of cancer are based upon their source or point of origin.
Reason for Spreading of Cancer
The cancer cells in your body never die and this is why they continue their growth. They keep on multiplying and it becomes difficult for the immune system to track them.
When cancer cells remain at their original source, it is known as carcinoma in situ (CIS). Moreover, if they break outside the membrane of tissue, it is known as invasive cancer.
Once they start to spread inside your body from their original site, it is known as metastasis. Further, it also bears the name of its original place of growth even after spreading to other body parts.
Furthermore, the spreading of cancer cells also depends upon the particular location inside the body.
However, there is a likely chance of spreading to nearby tissue at the initial phase of its growth. The most common reasons for how long does it take cancer to spread are as follows:
When the cancer is in its growing stage, it attacks its nearby organs or tissues. Also, these cancer cells form new tumors after breaking away from a primary tumor.
Most of the time, these cancer cells can easily invade the nearby lymph system. Then it moves to the entire lymph system along with forming new tumors in other body parts.
The cancer cells need essential nutrients and oxygen for their growth. Also, these cancer cells can form new blood vessels by a process known as angiogenesis.
This is important for their survival. Further, the cancer cells can invade your bloodstream along with moving to various far locations.
Slowest and Fastest Growing Cancer Cells
The cancer cells that comprise more genetic damage tend to grow faster. Whereas, the cancer cells that contain less genetic damage grows slowly. However, you can grade tumors in the following:
- G4: high-grade or undifferentiated
- G3: poor differentiation or high-grade
- G2: intermediate-grade or moderate differentiation
- G1: low-grade or well-differentiated
- GX: undetermined
Some of The Fastest-Growing Cancer Are:
- Lung cancer
- Lymphomas, small cell carcinoma (rare prostate cancer)
- Large B-cell lymphomas
- Few breast cancer such as triple and inflammatory breast cancer
- Acute myeloid and lymphoblastic leukemia
Stages in Spread of Cancer
Cancers are categorized based upon their tumor size and how long does it take cancer to spread during diagnosis. This is the time that your doctor decides the course of treatment along with providing general information. Below are the few stages of cancer.
- Unknown: Few information to determine the stage.
- Distant – It has started moving along with affecting far located tissues and organs.
- Regional – Cancer has started to spread to nearby organs, lymph nodes, and tissues.
- In situ – This is referred to as the precancerous stage where it has not started its spreading to nearby body parts.
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