Table 4.

Details of 9 patients treated with ipsilateral radiation who developed recurrent nodal disease in the contralateral neck

Patient	Smoker	HPV-associated cancer	Staging included PET	T-category	N-category	Size of largest node (cm)	Concurrent drug with radiation	Time to recurrence (from end of radiation) in contralateral neck	Other site(s) of recurrence	Status from time of recurrence
1	Never	Unknown	No	1	0		None	6 mo	None	Alive, 106 mo
2	Former	Yes	No	2	2b	3.0	None	5 mo	Primary and ipsilateral neck	Dead, 65 mo
3	Never	Yes	Yes	1	1	2.0	None	3 mo	None	Alive, 90 mo
4	Never	Yes	Yes	2	2b	1.7	Cetuximab	6 mo	None	Alive, 96 mo
5	Current	Yes	Yes	1	2b	3.6	Cetuximab	55 mo	Primary	Alive, 46 mo
6	Never	Yes	No	2	1	1.7	None	47 mo	None	Alive, 45 mo
7	Never	Unknown	No	1	2b	3.0	Cisplatin	46 mo	None	Alive, 0 mo
8	Former	Yes	Yes	2	2b	2.8	Cetuximab	3 mo	Primary	Dead, 34 mo
9	Never	Yes	Yes	2	2b	2.1	Cetuximab	13 mo	None	Alive, 30 mo

Abbreviations: HPV = human papillomavirus; PET = positron emission tomography.