Validation of prognostic impact of number of extrathoracic metastases according to the eighth TNM classification: a single-institution retrospective study in Japan

ConclusionsThe effect of therapy directed toward EGFR mutation or EML4 –ALK fusion gene might obscure the significant prognostic difference between M1b and M1c.
Source: International Journal of Clinical Oncology - Category: Cancer & Oncology Source Type: research