Origin of 77 carcinomas with or without peritoneal involvement and the proportion of them producing carcinoembryonic antigen (CEA)
| With peritoneal involvement | Without peritoneal involvement | ||||
|---|---|---|---|---|---|
| Origin | N | Total no. | Cases with CEA≥ 5 ng/ml | Total no. | Cases with CEA≥ 5 ng/ml |
| Ovary | 18 | 18 | 4 | 0 | 0 |
| Liver | 18 | 1 | 1 | 17 | 0 |
| Stomach | 13 | 11 | 8 | 2 | 1 |
| Large intestine | 11 | 10 | 10 | 1 | 1 |
| Pancreas | 8 | 8 | 6 | 0 | 0 |
| Lung | 3 | 2 | 0 | 1 | 0 |
| Gall bladder | 2 | 1 | 0 | 1 | 0 |
| Breast | 2 | 1 | 0 | 1 | 0 |
| Kidney | 2 | 2 | 0 | 0 | 0 |
| Total | 77 | 54 | 29 | 23 | 2 |