SNO | No of patients | Intraoperative findings |
1 | 36 | Ipislateral crowded ribs |
2 | 36 | Thickened parietal and visceral pleura (0.2 - 0.5 cm thick) |
3 | 7 | Seropurulent materials or substances (range, 200 - 1000 mls) |
4 | 3 | Serosanguinopus fluid (range, 300 - 700 mls) |
5 | 4 | Fribrinoid exudates (range, 500 - 800 mls) |
6 | 36 | Partial or total ipislateral lung collapse |
7 | 20 | Frank thick pus (range, (500 - 3000 mls) |
8 | 6 | Empyema necesssitans |
9 | 2 | Destroyed lobe(s) |