Table 2. Sequencing of ALK-TKI.

	Crizotinib	Ceritinib	Alectinib	Lorlatinib	Chemotherapy*
First line	27	4	0	–	7
Second line	6	16	2	11	3
Third line	–	4	0	21	3
Fourth line	–	1	1	4	2
Later lines	_	_	_	2	2

ALK, anaplastic lymphoma kinase; TKI, tyrosine kinase inhibitor

^*Chemotherapy regimen was platinum based- either with pemetrexed or paclitaxel