Before we answer the question “What is lung cancer?”, we first need to understand what cancer is.
Cancer refers to a group of diseases that happens when the cells in the body start replicating abnormally and uncontrollably. This can happen to any type of cell in the body. And it can also spread to other organs if left untreated.
These abnormal cells don’t function like healthy cells, and this causes any affected organs to have difficulty in performing their regular functions. Eventually, this causes the affected organs to fail, resulting in death.
In the case of lung cancer, the abnormal cells start replicating in a person’s lungs, causing breathing problems. Cancer cells can then eventually spread throughout the entire body and cause other complications.
Signs and Symptoms
The symptoms of lung cancer vary from case to case. Sometimes, the symptoms appear connected with a person’s breathing. But there are cases where it affects other parts of the body, especially if the cancer has already spread. Written below are the most common symptoms of lung cancer:
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