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Table 2: Pathologic characteristics of CXPA
Pathology Total Invasive Noninvasive P Value
Salivary duct 18 11 7 .53
Myoepithelial 6 5 1
Adenocarcinoma 3 3 0
Squamous 3 1 2
Mucoepidermoid 2 2 0
Undifferentiated 1 1 0
Unknown 4 2 2
Pathology	Total	Invasive	Noninvasive	P Value
Salivary duct	18	11	7	.53
Myoepithelial	6	5	1
Adenocarcinoma	3	3	0
Squamous	3	1	2
Mucoepidermoid	2	2	0
Undifferentiated	1	1	0
Unknown	4	2	2