Serum Carcinoembryonic Antigen Level Predicts Cancer-Specific Outcomes of Resected Non-Small Cell Lung Cancer With Interstitial Pneumonia

Masaki Tomita, Takanori Ayabe, Ryo Maeda, Kunihide Nakamura

Abstract


Background: It has been well accepted that the prognosis of non-small cell lung cancer (NSCLC) patients with interstitial pneumonia (IP) is significantly poor. However, there are only a few studies that indicated the prognostic factors, especially tumor markers, among NSCLC patients with IP.

Methods: Forty-one NSCLC patients with IP who underwent surgery at our institution were included. Patients died of other diseases including postoperative acute exacerbation (AE) of IP were excluded. Univariate and multivariate analyses were calculated by the Cox proportional hazards regression model.

Results: The 5-year cancer-specific survival of overall and stage I patients were 37.4% and 39.2%, respectively. The 5-year cancer-specific survival of patients with high serum carcinoembryonic antigen (CEA) level was 9.4%, while that with normal serum CEA level was 55.6%. However, serum cytokeratin-19 fragment (CYFRA 21-1) and squamous cell carcinoma-related antigen (SCC) levels were not associated with patients’ survival. Furthermore, serum CEA level was significantly associated with poorer cancer-specific survival in univariate and multivariate analyses.

Conclusions: This study demonstrated that serum CEA level might serve as an efficient prognostic indicator after surgery in NSCLC with IP.




World J Oncol. 2018;9(5-6):136-140
doi: https://doi.org/10.14740/wjon1163

 


Keywords


Interstitial pneumonia; Non-small cell lung cancer; Tumor marker; CEA; Prognosis

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