Chest wall (CW) involvement occurs in approximately 5% of all primary lung neoplasms. According to the most recent TNM classification, lung tumors invading CW are classified as T3, and they represent approximately 45% of all T3 lung cancers. The most common clinical symptom at presentation is chest pain (>60%), which is highly specific of CW infiltration (>90%). Dyspnoea and hemoptysis are also described, especially in case of large lesions. A realistic chance to cure locally advanced tumors invading CW is a surgical resection, consisting in the excision of the primary lung cancer along with the involved CW (sometimes an “en-bloc” resection) and an appropriate lymph-nodal dissection. However, such patients are at high-risk of facing postoperative complications; prognosis mainly depends on: (I) the completeness of resection; and (II) the lymph-nodal involvement. Hence, due to these reasons (incidence, symptoms, prognosis, post-operative complications), such category of patients are to be carefully assessed preoperatively and if deemed practicable, surgery should be taken into consideration. In this view, the aim of this paper is to critically review the most recent series of lung tumors invading the CW, with a particular focus on patients’ preoperative evaluation, surgical techniques, postoperative complications and overall outcome.
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