ArticleGeneral thoracic and cardiovascular surgery2022
Effects of lobectomy in stage II/IIIA second primary lung cancer patients with prior non-small cell lung cancer: a SEER-based study.
Article in General thoracic and cardiovascular surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveOur study aimed to reveal the prognostic factors of second primary lung cancer and explore the optimal surgical procedure for Stage II/IIIA second primary lung cancer patients with prior non-small cell lung cancer.
methodsPatients with Stage II/IIIA second primary lung cancer were collected from the Surveillance, Epidemiology and End Results database from 2004 to 2016. Lasso regression, along with univariate and multivariate Cox regression, was used to screen prognostic factors. The propensity score matching was used to minimize baseline differences, and restricted mean survival time was used to compare overall survival and cancer-specific survival of different groups.
resultsA total of 579 patients were enrolled in the study. After data was screened by lasso regression and univariate Cox regression, multivariate Cox regression revealed that age, sex, race, tumor size of initial primary lung cancer, tumor size, histological grade, T stage, N stage and surgical procedure of second primary lung cancer were independent prognostic factors. Further analysis showed that surgery, especially lobectomy, provided better survival in Stage II/IIIA second primary lung cancer.
conclusionsOur study identified nine independent prognostic factors of Stage II/IIIA second primary lung cancer. Surgery can provide a better prognosis, and lobectomy might be the optimal surgical procedure for these patients.
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