• Roberto González L, Sebastián Barra M, Alejandra Riquelme U, Rodrigo Reyes M, M Loreto Spencer L, Felipe Alarcón O, Enrique Seguel S, Aleck Stockins L, Andrés Jadue T, Diego Saldivia Z, AndréS Schaub C, and Emilio Alarcón C.
• Centro Cardiovascular, Hospital Clínico Regional de Concepción: "Dr. Guillermo Grant Benavente", Concepción, Chile.
• Rev Med Chil. 2022 Jan 1; 150 (1): 7-16.

BackgroundLung cancer is the world's leading cause of cancer death.AimTo describe the clinical, staging and survival characteristics of lung cancer in a public Chilean regional hospital.Material And MethodsAnalysis of a prospective database of a thoracic surgery service, retrieving histologically confirmed lung cancer cases from January 2010 to December 2019 and reviewing their medical records. Cases were re-staged by the TNM-8 system and variables were compared between periods 2010-2014 and 2015-2019.ResultsWe retrieved 551 lung cancer cases, 333 (60 %) men, with a mean age of 65 years. Distant metastases were found in 72% of cases (excluding lymphatic metastases). Of the non-small cell lung cancers (NSCLC), 50 (10%) cases were in stage I, 18 (4%) in stage II, 81 (16%) in stage III and 347 (70%) in stage IV. Global five-year survival was 18%, 20% for NSCLC, 71% for excised NSCLC, 8% for non-excised NSCLC, 88% for stage I and 92% for subgroup IA. Resective surgery was performed in 81 (14%) cases. When comparing 2010-2014 and 2015-2019 periods, the frequency of resective surgery increased from 7% to 20%.ConclusionsThe diagnosis of lung cancer was frequently made in advanced stages. There was a significant increase in early diagnosis and frequency of surgeries with curative intent in the second observation period.

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