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Journal Article
Review
[Perioperative therapies in surgical non N2 non-small cell lung cancer].
Bulletin du Cancer 2017 January
Platinum-based perioperative chemotherapy is actually the standard of care in stage II-IIIa non-small cell lung cancer (NSCLC). A benefit may also be seen in stage IB NSCLC with tumors of more than 4cm of diameter. Perioperative chemotherapy improves 5-year survival of 4 to 15%. This benefit is mainly proved by postoperative chemotherapy trials. Nevertheless, preoperative chemotherapy has advantages: a better tolerance, an estimation of tumor chemosensibility, without an increased postoperative morbimortality. However, pTNM and pathological tumor analyses are modified. Indications of postoperative radiotherapy are limited. In early stage NSCLC (stage I-II), radiotherapy worsens survival. Radiotherapy is routinely achieved in NSCLC with parietal tumor invasion and incomplete tumor resection. Indications of immunotherapy and targeted therapies in case of oncogenic addiction remain to be established in resected NSCLC. Several biomarkers are studied to better describe the indications of perioperative chemotherapy: recognize groups of patients with a worse prognosis and distinguish chemosensibility of the tumor.
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