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Significance of the Number of Positive Lymph Nodes in Resected Non-small Cell Lung Cancer  Takayuki Fukui, MD, Shoichi Mori, MD, Kohei Yokoi, MD, Tetsuya.

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Presentation on theme: "Significance of the Number of Positive Lymph Nodes in Resected Non-small Cell Lung Cancer  Takayuki Fukui, MD, Shoichi Mori, MD, Kohei Yokoi, MD, Tetsuya."— Presentation transcript:

1 Significance of the Number of Positive Lymph Nodes in Resected Non-small Cell Lung Cancer 
Takayuki Fukui, MD, Shoichi Mori, MD, Kohei Yokoi, MD, Tetsuya Mitsudomi, MD  Journal of Thoracic Oncology  Volume 1, Issue 2, Pages (February 2006) DOI: /S (15) Copyright © 2006 International Association for the Study of Lung Cancer Terms and Conditions

2 FIGURE 1. Distribution of the number of positive lymph nodes in 99 pN(+) patients. The pN1 and pN2 patients are shown in gray and black, respectively. Journal of Thoracic Oncology 2006 1, DOI: ( /S (15) ) Copyright © 2006 International Association for the Study of Lung Cancer Terms and Conditions

3 FIGURE 2. Survival curves for subgroups stratified according to pN status. The 5-year survival rate and the number of patients at risk in each subgroup are indicated. The survival curves showed significant stepwise deterioration as the pN number increased. Journal of Thoracic Oncology 2006 1, DOI: ( /S (15) ) Copyright © 2006 International Association for the Study of Lung Cancer Terms and Conditions

4 FIGURE 3. Survival curves according to the number of positive lymph nodes. The 5-year survival rate and the number of patients at risk in each subgroup are indicated. The survival curves showed significant stepwise deterioration as the number increased. The feasibility of the application of our classification was confirmed. Journal of Thoracic Oncology 2006 1, DOI: ( /S (15) ) Copyright © 2006 International Association for the Study of Lung Cancer Terms and Conditions

5 FIGURE 4. Survival curves according to the number categories among pN1 and pN2 patients. The 5-year survival rate and the number of patients at risk in each subgroup are indicated. Significant differences in survival were observed among pN2 patients who were divided into subgroups n1–3, n4–6, and n≥7 (P < ) (B), but not between subgroups n1–3 and n4–6 for pN1 patients (A). Journal of Thoracic Oncology 2006 1, DOI: ( /S (15) ) Copyright © 2006 International Association for the Study of Lung Cancer Terms and Conditions

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