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Home / Mesothelioma Cancer Guide / Stages of Mesothelioma Guide

Stages of Mesothelioma Guide

Page Updated on February 05, 2022
Paul DanzigerPage Reviewed and Edited by Mesothelioma Attorney Paul Danziger

The stages of mesothelioma include I through IV. Cancer specialists use a staging system to describe the cancer at the time of diagnosis. The stage informs treatment and helps doctors estimate a prognosis.

If you or a loved one suffer from mesothelioma, asbestos-related lung cancer, or asbestosis, you may qualify for substantial compensation. Currently, there is over $30 billion in asbestos trust funds, awaiting those who’ve been diagnosed with an asbestos illness. Fill out our form to get a free Financial Compensation Packet. You’ll learn about the experienced mesothelioma lawyers in your area, how to get paid in 90 days, how to file a claim for the asbestos trust funds, and more.

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doctor comforting patient

TNM Classification

Doctors created a staging system known as the TNM Classification of Malignant Tumors (TNM) in the 1990s.

Although there are other accepted staging systems, the TNM staging system is the most widely accepted and used by mesothelioma doctors. It helps classify the following stages:

Stage I: Localized

Stage I is the first stage of mesothelioma. It’s broken up into either stage IA or stage IB. At this point, the cancer is still localized, and patients have the best chances of successful treatment.

Stage IA is diagnosed when the cancer is located in either the lining of one side of the chest wall or the chest cavity lining between the lungs. At this stage, cancer has not yet spread from these points in the body.

Stage IB is diagnosed when the cancer is found in both the lining of the chest walls and the lining of the chest cavity. Again, cancer has not yet spread from these points.

Stage II: The First Advanced Stage

When patients are in stage II, the cancer is no longer localized, and they are now in the first phase of the advanced stage of the disease.

During this stage, the cancer is not only in the lining of the chest wall and chest cavity but also in the lining that protects the lungs and the diaphragm.

However, keep in mind that cancer can be in the lining of either the lungs, the lining of the diaphragm, or both.

Stage III: Advanced

During stage III, cancer is found in the lining of one side of the chest wall and may have also spread to the chest cavity lining, the diaphragm lining, and the lung lining. Cancer has now spread to the lymph nodes close to the victim’s esophagus and trachea.

Stage IV: Metastasis

Stage IV is the most advanced stage of the disease, and cancer can no longer be removed surgically. During this stage, the cancer has metastasized, or spread to more distant parts of the body.

Resectable and Unresectable Cancer

TNM stages the development of mesothelioma so that doctors will have a better understanding of the victim’s prognosis. However, when determining which treatments are best according to each stage, doctors often refer to the cancer as either resectable or unresectable.

If the tumors are resectable, they can be surgically removed. Likewise, if the tumors cannot be removed, they are considered unresectable.

In most cases, the first three stages of mesothelioma are considered resectable. However, there are always a few exceptions. The subtype of the cancer, along with how far it has grown into the body’s tissues, will determine if it can be removed.

Doctors also take into account the patient’s health. Unhealthy people generally are not candidates for surgery and removal.

Other Staging Charts

Although, as aforementioned, the TNM staging is the most widely used staging system by most physicians, other charts have also helped diagnose stages of mesothelioma, including:

The Brigham System

Created by Dr. David Sugarbaker, one of the leading mesothelioma physicians at the Brigham and Women’s Hospital at Harvard, the Brigham System uses both clinical and radiological advances to find the development of the disease and the diagnosis.

Similar to TNM staging, the Brigham System utilizes four stages to determine cancer development:

  • Stage I: Lymph nodes are not involved during this stage and the cancer is only in the pleural area.
  • Stage II: The cancer is still locked in the pleural area but may have also spread to the lymph nodes.
  • Stage III: The cancer has now transferred into the diaphragm, structures in the thorax, or the diaphragm.
  • Stage IV: The cancer has spread to various parts of the body and is now considered unresectable.

The Butchart Staging System

The Butchart staging system is the original staging system used to stage pleural mesothelioma. As with other systems, the Butchart staging system classifies mesothelioma in four stages, with the final stage being the most severe.

This particular staging system was created in 1979 by Dr. Eric Butchart, a cardiothoracic surgeon at the University Hospital in Wales, United Kingdom.

Dr. Butchart created the staging system to determine which mesothelioma patients were ideal candidates for different types of treatments.

  • Stage I: The cancer is on one side of the lining of the lungs or one side of the lining of the heart.
  • Stage II: Tumors are now on both sides of the lining of the lungs in addition to either the chest wall, heart, or esophagus. Mesothelioma cells have also reached the lymph nodes. Radiation therapy is advised during this stage as long as the patient is healthy enough.
  • Stage III: Tumors have invaded either the lining of the stomach or the diaphragm. In addition, the mesothelioma cells have now made their way outside of the chest and into the lymph nodes. Dr. Butchart suggests cytotoxic drugs in combination with drainage via tubes during this stage.
  • Stage IV: Tumors have now transferred across the body and into the patient’s bloodstream. They can be found in several of the body organs, including the liver, brain, and even the bones. At this point, Dr. Butchart advises palliative mesothelioma treatment only as the tumors are too advanced to be removed.

Staging is an integral part of the diagnostic process for mesothelioma. Talk to your medical team about your stage and what it means for your treatment options and prognosis.

Getting Legal Assistance

Regardless of which stage of mesothelioma you are in, you may be entitled to financial compensation. Don’t forget to fill out our form to get our free Financial Compensation Packet, filled with information on the experienced asbestos and mesothelioma attorneys in your area. For additional assistance, contact us at 800-793-4540. 

FREE Financial Compensation Packet

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  • File for your share of $30 billion in trust funds
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Paul Danziger

Page Reviewed and Edited by Mesothelioma Attorney Paul Danziger

Paul Danziger grew up in Houston, Texas and earned a law degree from Northwestern University School of Law in Chicago. For over 25 years years he has focused on representing mesothelioma cancer victims and others hurt by asbestos exposure. Paul and his law firm have represented thousands of people diagnosed with mesothelioma, asbestosis, and lung cancer, recovering significant compensation for injured clients. Every client is extremely important to Paul and he will take every call from clients who want to speak with him. Paul and his law firm handle mesothelioma cases throughout the United States.

Full bio and contact info

References
  1. http://www.cancer.gov/cancertopics/pdq/treatment/malignantmesothelioma/patient/page2
  2. http://www.cancer.org/cancer/malignantmesothelioma/detailedguide/malignant-mesothelioma-staging
View All References

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