TABLE 3.

Points of significant prognostic factors

		Point
ECOG‐PS	3–4	1
	0–2	0
Metastases on internal organs	Yes	1
	No	0
Post‐RT ATs	TKIs or ICIs	0
	No TKIs or ICIs	2

Abbreviations: ATs, antineoplastic agents; ECOG PS, Eastern Cooperative Oncology Group Performance Status; ICIs, immune checkpoint inhibitors; RT, radiotherapy; TKIs, tyrosine kinase inhibitors.