T2N1M0 Non-Small Cell Lung Cancer: Surgery and Prognostic Factors

Padilla, J.; Calvo, V.; Peñalver, J.C.; Jordá, C.; Escrivá, J.; Cerón, J.; Zarza, A. García; Pastor, J.; Blasco, E.

doi:10.1016/S1579-2129(06)60258-9

Archivos de Bronconeumología

ISSN: 0300-2896

Archivos de Bronconeumologia is an international journal that publishes original studies whose content is based upon results of research initiatives dealing with several aspects of respiratory medicine including epidemiology, respiratory physiology, pathophysiology of respiratory diseases, clinical management, thoracic surgery, pediatric lung diseases, respiratory critical care, respiratory allergy and basic research. Other types of articles such as editorials, reviews, and different types of letters are also published in the journal. Additionally, the journal expresses the voice of the following scientific societies: the Spanish Respiratory Society of Pneumology and Thoracic Surgery (SEPAR; https://www.separ.es/), the Latin American Thoracic Society (ALAT; https://alatorax.org/), and the Iberian American Association of Thoracic Surgery (AIACT; http://www.aiatorax.com/).

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Vol. 41. Issue 8.

Pages 430-433 (August 2005)

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Pages 430-433 (August 2005)

Original Articles

DOI: 10.1016/S1579-2129(06)60258-9

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T2N1M0 Non-Small Cell Lung Cancer: Surgery and Prognostic Factors

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J. Padilla

Corresponding author

jpadilla@comv.es

Correspondence: Dr. J. Padilla. Servicio de Cirugía Torácica. Hospital Universitario La Fe. Avda. de Campanar, 21. 46009 Valencia. España

, V. Calvo, J.C. Peñalver, C. Jordá, J. Escrivá, J. Cerón, A. García Zarza, J. Pastor, E. Blasco

Servicio de Cirugía Torácica, Hospital Universitario La Fe, Valencia, Spain

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Abstract

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Objective

TO determine the prognostic factors for the survival in a group of patients operated on for a non-small cell lung cancer classified as T2N1M0.

Patients and methods

TWO hundred sixteen patients treated exclusively with surgery were studied. Kaplan-Meier survival and Cox multivariable regression analyses were used.

Results

The overall survival rate was 39.8% at 5 years and 29.9% at 10 years. Sex, age, presence or absence of symptoms, type of resection, and number and location of affected lymph nodes had no effect on survival. Tumor size (P = .04) and histologic type (P = .03) did significantly affect prognosis. Both variables entered into the Cox multivariable regression model.

Conclusions

Patients operated on for non-small cell lung cancer classified as T2N1M0 have an overall probability of 5-year survival of approximately 40%. However, the prognosis for this group of patients is heterogeneous: in our study it was affected by the histologic type (45.5% for squamous cell and 25% for non-squamous cell cancers) and tumor size (53% for tumors with a diameter of ≤3 cm, 45% for tumors between 3.1 and 5 cm, and 29% for a tumor diameter >5 cm).

Key Words:

Carcinoma bronchogenic

Stage IIb

T2N1M0

Surgery

Prognosis

Objetivo

Determinar los factores pronósticos de supervi-vencia de un grupo de pacientes operados de un carcinoma broncogénico no anaplásico de células pequeñas y clasifica-dos como T2N1M0.

Pacientes y métodos

Se estudió a 216 pacientes tratados exclusivamente con cirugía. La supervivencia se analizó con el método de Kaplan-Meier y se utilizó el modelo de Cox para el análisis multivariante.

Resultados

La supervivencia global fue del 39,8% a los 5 años y del 29,9% a los 10 años. El sexo, la edad, la presen-cia o ausencia de síntomas, la amplitud de la exéresis, el nú-mero de ganglios afectados y su localización no influyeron en la supervivencia. El tamaño tumoral (p = 0,04) y la estir-pe histológica (p = 0,03) sí condicionaron significativamente el pronóstico. Ambas variables entraron en regresión cuan-do se utilizó el análisis multivariante.

Conclusiones

Los pacientes operados de un carcinoma broncogénico no anaplásico de células pequeñas clasificado como T2N1M0 tienen una probabilidad de supervivencia global a los 5 años en torno al 40%. Sin embargo, no es un grupo de pacientes con un pronóstico homogéneo, ya que en nuestro estudio estuvo condicionado por la estirpe histológica (un 45,5% para los epidermoides y un 25% para los no epidermoides) y el tamaño tumoral (un 53% en los tumores con un diámetro ≤ 3 cm, un 45% entre 3,1-5 cm y un 29% en > 5 cm).

Palabras clave:

Carcinoma broncogénico

Estadio IIb

T2N1M0

Cirugía

Factores pronósticos

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