Physicians' usual policy of histocytological sampling via the bronchoscope from patients with a radiographical mass lesion
| Sampling regime | Bronchoscopic appearances | ||
| Normal | Visible tumour | Irregular/narrow mucosa | |
| BI alone | 0 | 6.4 | 2.5 |
| BI and W alone | 3.7 | 18.4 | 7.7 |
| BI and BR alone | 0 | 15.1 | 10.5 |
| BI, W and B | 11.7 | 59.8 | 78.7 |
| W alone | 26.5 | 0 | 0 |
| BR alone | 3.1 | 0 | 0 |
| BR and W alone | 50.9 | 0.3 | 0.6 |
| No samples | 4.1 | 0 | 0 |
Data are presented as %
BI: biopsy
W: wash
BR: brush