Changing Trends of Breast Cancer Survival in Sultanate of Oman
Table 2
Clinical and pathological staging of breast cancer.
Clinical stage
Clinical stage ()
Pathological stage
Pathological stage ()
Number
Percentage
Number
Percentage
Number
Percentage
Number
Percentage
Period 2003–2008
Period 1996–2002
Period 2003–2008
Period 1996–2002
Primary tumor
Tis
—
—
2
1.3
—
—
2
1.7
T0
—
—
—
—
9
7.4
—
—
T1
9
8.4
22
14.5
19
18.4
12
10.0
T2
43
40.1
64
42.1
48
46.6
66
55.0
T3
21
19.6
38
25.0
27
26.2
32
26.7
T4
34
31.7
26
17.1
—
—
8
6.6
Node
N0 ()
26
24.5
94
61.8
44
41.5
37
30.8
N1 ()
33
31.1
36
23.7
24
22.6
40
33.3
N2 ()
29
27.3
12
7.9
18
17.0
29
24.2
N3 ()
18
17
10
6.6
20
18.9
14
11.7
Stage
0
—
—
2
1.3
8
8.0
2
1.7
I
7
6
13
8.6
10
10.0
12
10.0
II
46
39
60
39.5
39
38.0
56
46.7
III
43
36
53
34.9
41
41.0
50
41.7
IV
22
18
24
15.8
—
—
—
—
Data is not available for all patients in all categories, as some patients presented to this hospital after surgical intervention at peripheral hospitals, and some of patients with stage IV disease did not undergo surgical intervention. Denotes pathological nodal staging. Only clinical stage is shown for stage IV patients. Pathological staging did not include neoadjuvant chemotherapy patients () or those with metastatic disease who did not have breast surgery ().
