Table 1.

Patient profiles

	IP	IP with SCC	SCC	CRS
Number of cases	17	5	16	32
Sex, n (%)
Male	11	2	14	22
Female	6	3	2	10
Age (years)
Mean	57	60	60	45
Range	44–76	55–72	40–82	17–81
≤50, n (%)	7	0	5	19
>50, n (%)	10	5	11	13
Krouse classification
T1
T2	3
T3	13
T4	1	5
T classification
T1
T2			1
T3			5
T4			10
N classification
N0			10
N1, N2, or N3			6