Lung cancer is a common malignancy, and its stage is important for the prognosis. This article will introduce the staging methods of lung cancer in detail to help readers better understand and cope with lung cancer.
1. Staging methods for lung cancer.
The stage of lung cancer is mainly evaluated according to factors such as the size of the tumor, the extent of invasion, lymph node metastasis, and distant metastasis. At present, there are two commonly used staging methods in clinical practice: TNM staging and AJCC staging.
1.TNM staging.
TNM staging is an internationally accepted staging standard for lung cancer, in which T represents the size and extent of the tumor, N represents lymph node metastasis, and M represents distant metastasis. According to the different combinations of t, n, and m, lung cancer can be divided into stage, stage, stage, and stage. The specific staging criteria are as follows:
Stage: The tumor is confined to the lung tissue, does not invade the pleura or chest wall, and has no lymph node metastasis or only ipsilateral peribronchial lymph node metastasis.
Stage: The tumor invades the chest wall or diaphragm, and there is no lymph node metastasis or only ipsilateral peribronchial and hilar lymph node metastasis.
Stage: The tumor has invaded the chest wall, diaphragm, or mediastinum, with or without ipsilateral lymph node metastasis, and with or without contralateral lymph node metastasis.
Stage: The tumor has metastasized in distant places.
2.AJCC staging.
AJCC staging is another lung cancer staging criterion proposed by the American Cancer Federation, and its basic concept is the same as TNM staging, but the specific classification criteria are slightly different. AJCC staging classifies lung cancer into stage, stage, stage, and stage, and the specific criteria for each stage are as follows:
Stage: The tumor is confined to the lung tissue, with a maximum diameter of 2 cm, no lymph node metastasis or only ipsilateral peribronchial lymph node metastasis.
Stage: The tumor is confined to the lung tissue, with a maximum diameter of 2 cm and 5 cm, or has invaded the chest wall, diaphragm or mediastinum, and there is no lymph node metastasis or only ipsilateral peribronchial and hilar lymph node metastasis.
Stage: The tumor has invaded the chest wall, diaphragm or mediastinum, with or without ipsilateral lymph node metastasis, and with or without contralateral lymph node metastasis, with a maximum diameter of 5cm.
Stage: The tumor has metastasized in distant places.
2. How to determine the stage of lung cancer.
To determine the stage of lung cancer, a series of examinations are required to determine the size of the tumor, the extent of invasion, lymph node metastasis, and distant metastasis. Commonly used examination methods include chest X-ray, chest CT, PET-CT, bone scan, brain MRI, etc. Based on the results of the examination, the doctor will conduct a comprehensive evaluation to determine the specific stage of lung cancer.
3. The significance and plan of lung cancer staging.
The staging of lung cancer is important for the prognosis and prognosis. Different stages of lung cancer** have different regimens and different prognosis. Therefore, correct staging is the key to developing an appropriate protocol and assessing prognosis. According to the stage of lung cancer, ** regimen mainly includes surgical resection, radiotherapy, chemotherapy and targeting**. For early-stage lung cancer, surgical resection is the mainstayFor advanced lung cancer, it is necessary to comprehensively use a variety of ** methods for individualization**.
In conclusion, understanding the staging method of lung cancer is of great significance for the prognosis. Through a series of examinations, the specific stage of lung cancer can be determined, so as to formulate an appropriate plan and evaluate the prognosis.
Lung cancer