Stages of Lung Cancer
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Stages of Lung Cancer
Lung Cancer
Non-Small Cell Lung Cancer
Small Cell Lung Cancer
Stage IIA
The lung tumor is no more than 3 centimeters across. Cancer cells are found in nearby lymph nodes.
Stage IIB
The tumor is one of the following:
Cancer cells are not found in nearby lymph nodes, but the tumor has invaded the chest wall, diaphragm, pleura, main bronchus, or tissue that surrounds the heart
Cancer cells are found in nearby lymph nodes, and one of the following:
- The tumor is more than 3 centimeters across.
- It has grown into the main bronchus.
- It has grown through the lung into the pleura
Stage IB
The tumor is larger or has grown deeper, but cancer cells are not found in nearby lymph nodes. The lung tumor is one of the following
The tumor is more than 3 centimeters across.
It has grown into the main bronchus.
It has grown through the lung into the pleura.
Stage IA
The lung tumor is an invasive cancer. It has grown through the innermost lining of the lung into deeper lung tissue. The tumor is no more than 3 centimeters across (less than 1 ΒΌ inches). It is surrounded by normal tissue and the tumor does not invade the bronchus. Cancer cells are not found in nearby lymph nodes
Stage 0
Cancer cells are found only in the innermost lining of the lung. The tumor has not grown through this lining.
Occult stage
cancer cells are found in sputum or in a sample of water collected during bronchoscopy, but a tumor cannot be seen in the lung.
Extensive stage
Cancer is found in tissues of the chest outside of the lung in which it began. Or cancer is found in distant organs
Limited stage
Cancer is found only in one lung and its nearby tissues
Stage IV
Malignant growths may be found in more than one lobe of the same lung or in the other lung. Or cancer cells may be found in other parts of the body, such as the brain, adrenal gland, liver, or bone.
Stage IIIB
The tumor may be any size. Cancer cells are found on the opposite side of the chest from the lung tumor or in the neck. The tumor may have invaded nearby organs, such as the heart, esophagus, or trachea. More than one malignant growth may be found within the same lobe of the lung. The doctor may find cancer cells in the pleural fluid.
Stage IIIA
The tumor may be any size. Cancer cells are found in the lymph nodes near the lungs and bronchi, and in the lymph nodes between the lungs but on the same side of the chest as the lung tumor.
Source: National Cancer Institute, U.S. National Institutes of Health. www.cancer.gov
