Table 2.
Numbers and types of primary non-breast malignancy in patients with second primary breast carcinoma.
| Cancer types | Synchronous (n=55), n (%) | Metachronous (n=68), n (%) | P value | |
|---|---|---|---|---|
| Head and neck | Total | 16 (29.09%) | 22 (32.35%) | 0.697 |
| Thyroid | 16 (29.09%) | 21 (30.88%) | 0.829 | |
| Oral | 0 (0.00%) | 1 (1.47%) | 1.000 | |
| Lung | 12 (21.82%) | 6 (8.82%) | 0.043 | |
| Gastrointestinal | Total | 12 (21.82%) | 11 (16.18%) | 0.425 |
| Colorectal | 4 (7.27%) | 7 (10.29%) | 0.753 | |
| Gastric | 3 (5.45%) | 2 (2.94%) | 0.656 | |
| Esophageal | 1 (1.82%) | 0 (0.00%) | 0.447 | |
| Liver | 3 (5.45%) | 1 (1.47%) | 0.324 | |
| Gallbladder | 1 (1.82%) | 1 (1.47%) | 1.000 | |
| Urinary | Total | 1 (1.82%) | 4 (5.88%) | 0.379 |
| Kidney | 1 (1.82%) | 4 (5.88%) | 0.379 | |
| Gynecology | Total | 9 (16.36%) | 19 (27.94%) | 0.128 |
| Ovary | 3 (5.45%) | 12 (17.65%) | 0.040 | |
| Cervix | 4 (7.27%) | 4 (5.88%) | 1.000 | |
| Uterus | 1 (1.82%) | 3 (4.41%) | 0.627 | |
| Fallopian tube | 1 (1.82%) | 0 (0.00%) | 0.447 | |
| Hematologic | Total | 3 (5.45%) | 5 (7.35%) | 0.730 |
| Lymphoma | 2 (3.64%) | 2 (2.94%) | 1.000 | |
| Leukemia | 0 (0.00%) | 3 (4.41%) | 0.252 | |
| Polycythemia vera | 1 (1.82%) | 0 (0.00%) | 0.447 | |
| Glioma | 1 (1.82%) | 1 (1.47%) | 1.000 | |
| Osteosarcoma | 1 (1.82%) | 0 (0.00%) | 0.447 |