Abstract
TNM stage is a well-established prognostic factor for overall survival (OS) in lung cancer (LC). Clinical and pathological nodal (cN, pN) categories were assessed in 7th and 8th editions of IASLC TNM staging system. Data submission for IASLC 9th TNM edition database (involving patients diagnosed between 2011-19) has just been completed. This single-centre analysis is focused on prognostic role of clinical nodal (cN) categories in a cohort of unresected advanced LC from this database.
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