Introduction:

The anatomic extent classification in lung cancer was created with the aim, among others, to provide prognostic and therapeutic guidance.

Objective:

To analyze the latest classifications of anatomic extension for lung localization, as well as the changes in the new classification.

Methods:

A search was performed in the databases Scopus, Medline, Cochrane, Hinari and Redalyc, using the descriptors clasificación de las neoplasias [classification of neoplasms], evolución [evolution], pronóstico [prognosis]. The searches were specific in Spanish and English.

Development:

The modifications of the anatomic extension classification in lung cancer are related to tumor size, lymph node stations and metastasis. Molecular studies, liquid biopsy results and residual disease are prognostic factors to keep in mind in the overall survival of lung cancer.

Conclusions:

The classification of neoplasms evolves with medical knowledge. The new classification includes changes in the nodal and metastatic descriptor. Molecular and genetic elements cannot be measured homogeneously and remain under review.

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