Intratumoral Microbiota Impacts the First-Line Treatment Efficacy and Survival in Non-Small Cell Lung Cancer Patients Free of Lung Infection

Table 3

Association between ITM and metastasis sites.

Bacteria		No	Yes	Chi-square	value
Brain
Serratia marcescens	−	39	4	8.136	0.004
	+	1	2
Mediastinal lymph node
Enterobacter cloacae	−	36	6	6.031	0.014
	+	2	3