Learn about the complications of lung cancer on your body

 Lung cancer is the most common tumor in both men and women. It occurs when cells in the lung (lungs) grow out of control and divide into abnormal cells that can spread throughout the body. 

The main types of lung cancer are small cell carcinoma and non-small cell lung cancer.

Learn about the complications of lung cancer on your body

Lung Cancer Risk Factors

Age is a major risk factor for lung cancer. The more years you spend smoking, the greater your risk of developing lung cancer. 

People who smoke one pack per day or more have about twice the risk of dying from lung cancer as nonsmokers do when they're 65 years old. 

However, there has been a dramatic decrease in smoking among adults in recent years, resulting in lower rates of this disease. 

This reduction may be due to earlier detection as well as better therapies being used to treat patients with early-stage disease."

Complications of lung cancer on the body

Here are the most prominent complications of lung cancer and their effects on the body in the following:

1. Complications of lung cancer on the respiratory system

Cancer cells in the respiratory system divide and multiply leading to the formation of a tumor, and over time they can…

New tumors grow nearby within the lungs or into the membranes around them, and they can also spread to the airways and chest wall.

Some symptoms that may appear early in the respiratory system are noted, such as:

Repeated episodes of bronchitis, or pneumonia, may indicate lung cancer.

Voice changes and hoarseness.

Various other symptoms may appear with the progression of the disease, such as shortness of breath and wheezing in the chest, in which case the cancerous tumors have begun to close the airways, making breathing difficult.

Coughing blood indicates that tumors in your airway are bleeding, and the good thing is that there are treatments available to control this bleeding.

2. Complications of lung cancer on the circulatory system

Cancer cells in the lungs can make their way into the bloodstream, as:

The circulatory system is a common way that cancer spreads from its original location in the lungs to other organs.

The incidence of lung cancer patients with blood clots increases, which may threaten their life, as these clots move to the lungs, causing what is called pulmonary embolism, which occurs as a result of inflammation in the bronchial wall and lung tissue.

Lung cancer can spread from its original site to the heart or its membrane in rare cases of lung cancer complications.

3. Complications of lung cancer on the immune system

Lung cancer can spread by entering nearby lymph nodes. Through the lymphatic system, cancer cells spread to other organs, forming new tumors. It also:

The patient may notice lumps and bumps around the collarbone, which are located in the shoulder area at the front of the rib cage, the neck, or the armpits, which are caused in most 

cases by cancer in the lymph nodes, and you may also notice the appearance of swelling in the neck or face.

Some types of lung cancer cause hormone-like substances to enter the bloodstream, and this can lead to problems with other organs in the body. 

This is called paraneoplastic syndrome, which is mainly manifested in bowel obstruction, constipation, and indigestion.

4. Complications of lung cancer on the central nervous system

Cancer cells can move from the lung to the brain and cause brain cancer, which leads to the following symptoms:

  • Memory problems.
  • vision problems;
  • persistent dizziness;
  • Numbness episodes in the extremities.
  • Balance problems.
  • Unsteady gait.

One of the complications of lung cancer, when the upper part of it is affected, is an increased risk of developing Horner's syndrome, which affects the nerves of the face and eyes.

5. Complications of lung cancer on the skeleton and muscles

Lung cancer can spread to the bones, resulting in muscle and bone pain and an increased risk of fracture.

Certain types of lung cancer are associated with the development of Lambert-Eaton syndrome, also called a myasthenic syndrome, which is characterized by muscle weakness 

that improves when muscle contractions are continuous, making it difficult to move, swallow, chew and speak.


Lung cancer, as we have seen, is a frightening disease. We have looked at the causes of lung cancer, the symptoms of lung cancer, and the most effective treatments for it. 

But what happens to you emotionally when you discover that you are in fact suffering from this horrible disease? 

You may feel alone and scared, and having an understanding support system can be the biggest hurdle in your battle against the illness. 

But by knowing what will be happening to you body-wise, you may better understand what you're going through physically. 

In this article, then, we will briefly outline some of our findings on lung cancer and its effects on your body.

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