+ gross
131
+ respiratory
101
+ lung
100
+ gastrointestinal
48
+ histology
45
+ colon
25
+ esophagus
15
+ larynx
9
+ oral
9
+ cervix
8
+ cytology
8
+ stomach
8
+ biliary
6
+ breast
6
+ hepatobiliary
6
+ liver
6
+ gallbladder
5
+ nonkeratinizing
3
+ urinary
3
+ abdomen
2