Table 2.

Sample cohort of non-responders for marker evolution analysis

Sample ID	Primary location	Material before ICI	Material at progression	Time from ICI start to progression (months)
SIT1	Sinonasal	Primary tumor	Skin metastasis	11.3
SIT3	Sinonasal	Metastasis lymph-node level IV	Tongue metastasis	4.7
SIT4	Sinonasal	Primary tumor	1. Local recurrence 2. Local recurrence	25.2 31.2
SIT13	Anal	Primary tumor	Metastasis lymph node level I	1.4
SIT19	Vaginal	Primary tumor	Lung metastasis	3.7