Table 3.

Additional pathologic features

Case	1	2	3	4	5	6	7	8	9	10	11
T stage	N/A	pT2	pT4a	pT3	N/A	pT4b	N/A	pT4a	pT4a	pT3	pT1
N stage	N/A	pNX	pN1	pN0	N/A	pN0	N/A	pNx	pNx	pN0	pN0
Mucicarmine	N/A	N/A	N/A	N/A	Positive	N/A	N/A	N/A	N/A	N/A	Positive
p40	N/A	N/A	N/A	Positive	N/A	N/A	N/A	N/A	Positive	Positive	Positive
p63	Positive	N/A	N/A	N/A	N/A	N/A	N/A	N/A	Positive	N/A	Positive
Cytokeratin AE1/AE3	Positive	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Ki67	15–20%	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Precursor lesion	No	No	Inverted papilloma	No	Inverted papilloma	No	No	Exophytic papilloma	No	No	No