Table 2.
Malignancies accompanying lung cancer
| Sites | Total(n = 175) | Synchronous group(n = 64) | Metachronous group(n = 111) | P-value | LCF group(n = 49) | OCF group(n = 126) | P-value |
|---|---|---|---|---|---|---|---|
| Digestive system | 80(45.7 %) | 37(57.8 %) | 43(38.7 %) | 0.018 | 32(65.3 %) | 48(38.1 %) | 0.001 |
| Colon | 25 | 9 | 16 | 5 | 20 | ||
| Rectum | 18 | 5 | 13 | 7 | 11 | ||
| Esophagus | 17 | 8 | 9 | 5 | 12 | ||
| Liver | 9 | 6 | 3 | 6 | 3 | ||
| Stomach | 9 | 9 | 0 | 9 | 0 | ||
| Duodenal | 1 | 0 | 1 | 0 | 1 | ||
| Gallbladder | 1 | 0 | 1 | 0 | 1 | ||
| Urogenital system | 33(18.9 %) | 7(10.9 %) | 26(23.4 %) | 0.046 | 3(6.1 %) | 30(23.8 %) | 0.009 |
| Urinary bladder | 10 | 2 | 8 | 1 | 9 | ||
| Prostate | 5 | 0 | 5 | 1 | 4 | ||
| Uterine cervix | 7 | 1 | 6 | 0 | 7 | ||
| Kidney | 4 | 1 | 3 | 1 | 3 | ||
| Ovary | 4 | 2 | 2 | 0 | 4 | ||
| Endometrium | 3 | 1 | 2 | 0 | 3 | ||
| Head&Neck | 34(19.4 %) | 12(18.7 %) | 22(19.8 %) | 1.00 | 9(18.4 %) | 25(19.8 %) | 0.84 |
| Thyroid gland | 13 | 6 | 7 | 6 | 7 | ||
| Larynx | 8 | 2 | 6 | 2 | 6 | ||
| Nasopharynx | 9 | 2 | 7 | 0 | 9 | ||
| Parotid gland | 1 | 1 | 0 | 0 | 1 | ||
| Tongue | 2 | 0 | 2 | 0 | 2 | ||
| Soft palate | 1 | 1 | 0 | 1 | 0 | ||
| Lymphatic&hemat-opoietic system | 11(6.3 %) | 4(6.3 %) | 7(6.3 %) | 1.00 | 2(4.1 %) | 9(7.2 %) | 0.73 |
| Lymphoma | 8 | 3 | 5 | 1 | 7 | ||
| Leukemia | 3 | 1 | 2 | 1 | 2 | ||
| Others | 17(9.7 %) | 4(6.3 %) | 13(11.7 %) | 0.30 | 3(6.1 %) | 14(11.1 %) | 0.41 |
| Breast | 10 | 3 | 7 | 1 | 9 | ||
| Skin | 5 | 1 | 4 | 1 | 4 | ||
| Nasal olfactory cell | 1 | 0 | 1 | 0 | 1 | ||
| Osteosarcoma | 1 | 0 | 1 | 1 | 0 |