Learn about the symptoms of lung cancer and the stages of the disease


Symptoms of lung cancer are many, including chest pain, and it occurs Lung Cancer When cells in the lungs divide uncontrollably, this causes tumors to grow.These can reduce a person’s ability to breathe and spread to other parts of the body.Lung cancer is the third most common type of cancer and the leading cause of cancer-related death in the United States, in this report. We learn about the symptoms and stages of lung cancer, according to the website ” medicalnewstoday“.

Symptoms of lung cancer

The symptoms of lung cancer are endless, as cancer causes changes in healthy cells so that cells grow very quickly, without dying.

Normally, normal cells in the body die at some point in their life cycle, thus preventing the accumulation of too many cells however, in the case of cancer, the cells continue to grow and multiply and as a result, tumors develop.

The two main types of lung cancer are small cell lung cancer and non-small cell lung cancer, depending on how they appeared under a microscope.

Non-small cell lung cancer is more common than small cell lung cancer.

A person can develop lung cancer, but smoking cigarettes and being exposed to smoke, inhaled chemicals or other toxins can increase the risk.

Symptoms of lung cancer include the following:

People with lung cancer may not experience any symptoms until a later stage. If symptoms do appear, they may resemble those of a respiratory infection.

Some of the possible symptoms include:

Changes in the person’s voice, such as hoarseness

Frequent chest infections, such as bronchitis or pneumonia

Swollen lymph nodes in the middle of the chest

A prolonged cough that may start to worsen


Shortness of breath and wheezing

Over time a person may also experience more severe symptoms, such as:

Severe chest pain

Bone pain and bone fractures


Coughing up blood

Blood clots

Loss of appetite and weight


Stages of lung cancer

The classification of cancer describes how far it has spread in the body and how severe it is:

Localized: where the cancer is within a limited area

Diffuse: where the cancer has spread to nearby tissues or lymph nodes

Invasive: where the cancer has spread to other parts of the body

Health care professionals also evaluate the tumor for size and spread, whether or not it affects the lymph nodes, and whether or not it has spread elsewhere.

There are also specific methods for staging non-small cell lung cancer and small cell lung cancer.

Stages of lung cancer

Healthcare professionals usually use the size and spread of a tumor to describe the stages of non-small cell lung cancer, as follows:

Occult or hidden: Cancer does not show up on imaging tests, but cancer cells may appear in sputum or mucus.

Stage 0: Abnormal cells are only found in the upper layers of cells lining the airways.

Stage 1: A lung tumor is 4 cm (1 cm) or less and has not spread to other parts of the body.

Stage II: The tumor is 7 cm or less in size and may spread to nearby tissues and lymph nodes.

Stage 3: Cancer has spread to the lymph nodes and has spread to other parts of the lung and the surrounding area.

Stage 4: The cancer has spread to distant parts of the body, such as the bone or brain.


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