Update of Assessment of Survival in Head and Neck Cancer after Regional Recurrence

Table 1

Distribution of patients according primary site and stage.

Primary site	Stage				Total
	I	II	III	IV
Oral cavity	0	4	11	14	29
Oropharynx	0	0	4	7	11
Hypopharynx	1	0	6	25	32
Larynx	0	0	13	8	21
Total	1	4	34	54	93

^*2 patients without staging information.