Preoperative tumour with suspected malignancy n = 60 | Postoperative benign tumour | n = 25 (41.7 %) |
Postoperative malignant tumour | n = 35 (58.3 %) | |
Preoperative tumour without suspicion of malignancy n = 435 | Postoperative malignant tumour | n = 17 (3.9 %) |
Postoperative benign tumour | n = 418 (96.1 %) |