Grade	+/-	+	++	+++
Adenocarcinoma(n=29)	7(24.1%)	3(10.3%)	0	19(65.5%)
Squamous Cell Ca.(n=18)	14(77.0%)	2(11.1%)	2(11.1%)	0
Small Cell Ca.(n=2)	2(100%)	0	0	0