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| Tumour characteristic | Patient No% |
|---|---|
| Types of Tumors | |
| Malignant | 94 (39) |
| Benign | 147 (61) |
| Morphology | |
| Adenocarcinoma | 84 (89.4) |
| Squamous Carcinoma | 9 (9.6) |
| Anaplastic Carcinoma | 1 (1.1) |
| Grading | |
| Grade1(Well-differentiated) | 23 (48.9) |
| Grade 2 (Moderately differentiated) | 21 (44.7) |
| Grade 3 (Poorly differentiated | 3 (6.38) |
| Stage (Number Staging) | |
| Stage 1 | 13 (13.83) |
| Stage 2 | 23 (24.5) |
| Stage 3 | 48 (51.1) |
| Stage 4 | 10 (10.6) |
