Table 2.

Frequency distribution of cases by their TNM stage.

Tumour Size (T)	No. of Cases
T1	10 (11.1%)
T2	22 (24.4%)
T3	32 (35.5%)
T4	36 (40.0%)
Node status (N)
N0	10 (11.1%)
N1	38 (42.2%)
N2	28 (31.1%)
N3	14 (15.5%)
Distant mets (M)
M0	90 (100%)
M1	0
Grade
G I (well-differentiated)	10 (11.1%)
G II (moderately differentiated)	22 (24.4%)
G III (poorly differentiated)	30 (33.3%)
G IV (undifferentiated)	12 (13.3%)
Missing data	16 (17.8%)
Anatomic stage
Stage I	0
Stage II	12 (13.3%)
Stage III	38 (42.2%)
Stage IV	40 (44.4%)