Table I.
Clinicopathological feature | Brain metastasis (no. of cases) | Control group 1 (no. of cases) |
---|---|---|
Age (years) | ||
<40 | 4 | 3 |
40–50 | 6 | 5 |
50–60 | 15 | 15 |
60–70 | 7 | 8 |
>70 | 2 | 3 |
Gender | ||
Male/Female | 22/12 | 21/13 |
Surgical pattern | ||
R. upper lobe | 8 | 9 |
R. lower lobe | 7 | 8 |
R. middle lobe | 2 | 1 |
R. middle and lower lobes | 3 | 2 |
R. whole lung | 1 | 1 |
L. upper lobe | 6 | 6 |
L. lower lobe | 5 | 6 |
L. whole lung | 2 | 1 |
Pathological type | ||
Adenocarcinoma | 17 | 18 |
Squamous cell carcinoma | 14 | 14 |
Large cell carcinoma | 3 | 2 |
Degree of differentiation | ||
Well differentiated | 13 | 13 |
Poorly differentiated | 18 | 19 |
Undifferentiated | 3 | 2 |
T status | ||
T1/T2/T3/T4 | 5/16/8/5 | 6/17/8/3 |
N status | ||
N0/N1/N2 | 7/15/12 | 8/17/9 |
Post-operative adjuvant chemotherapy | ||
Yes/No | 30/4 | 31/3 |
Diagnosis of brain metastases | ||
Pathology/Imaging | 16/18 | 0 |
Transfer time from surgery | ||
<6 months | 2 | |
6–12 months | 6 | |
12–24 months | 12 | |
24–36 months | 9 | |
>36 months | 5 |
R, right; L, left.