Adjuvant Chemotherapy Does Not Confer Superior Survival in Patients With Atypical Carcinoid Tumors. The Annals of thoracic surgery Anderson, K. L., Mulvihill, M. S., Speicher, P. J., Yerokun, B. A., Gulack, B. C., Nussbaum, D. P., Harpole, D. H., D'Amico, T. A., Berry, M. F., Hartwig, M. G. 2017; 104 (4): 1221–30


Although the use of adjuvant chemotherapy in patients with pathologically node-positive (pN+) atypical carcinoid tumor of the lung is an accepted practice, controversy exists about its use in pathologically node-negative (pN0) patients. Our aim was to determine whether a survival advantage exists in patients receiving chemotherapy postoperatively for pN0 or pN+ atypical carcinoid tumors of the lung.Adult patients treated with lobectomy or pneumonectomy for pulmonary atypical carcinoid tumor were identified using the National Cancer Data Base, 2006 to 2011. Propensity scoring (4:1 nearest neighbor algorithm) and survival analysis were used to examine the association between adjuvant chemotherapy and pN+ versus pN0 atypical carcinoid tumors.Of the total 581 patients identified with a diagnosis of atypical carcinoid of the lung, 363 (62.5%) were found to be node negative at the time of operation and 218 (37.5%) had node-positive disease. Adjuvant chemotherapy was used in 15 patients (4.1%) with pN0 disease and 89 patients (40.8%) with pN+ disease. Unadjusted survival, at 12 and 60 months, was similar between pN+ patients who were treated with adjuvant chemotherapy versus patients who received operation alone (adjuvant chemotherapy: 98.9% at 12 months and 47.9% at 60 months versus operation alone: 98.4% and 12 months and 67.1% at 60 months, p = 0.46) and for propensity-matched pN0 (adjuvant chemotherapy: 86.7% at 12 months and 73.3% at 60 months versus operation alone: 87.9% at 12 months and 72.3% at 60 months, p = 0.54).In a national-level analysis, the use of adjuvant chemotherapy postoperatively in patients with pN+ and pN0 disease conferred no survival advantage; further study is needed to determine proper chemotherapy use for these patients.

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