Case No. Score Pre-op Right Score Post-op Right LM Pre-op Left Score Post –op Left score
1 2 1 2 1
2 2 0 2 0
3 1 0 1 0
4 2 0 n/a unilateral
5 1 0 1 0
6 2 1 2 0
7 2 0 1 1
8 1 0 1 0
9 2 0 2 0
10 1 0 1 0
11 2 0 n/a unilateral
12 2 0 2 1
13 1 0 1 0
14 2 0 2 0
15 2 0 2 0
16 2 0 2 0
17 2 0 2 1
18 2 1 2  
Table 2: Pre-operative and Post-operative Lund-MacKay sinus CT Staging.