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Table 4 Total resection of tumors (in accordance with the scale by Frank, 2002)

From: Endoscopic endonasal transclival removal of tumors of the clivus and anterior region of the posterior cranial fossa (results of surgical treatment of 140 patients)

Extent of tumor removal

Number of cases

Percent

Total removal

84

60

Subtotal removal

37

26.43

Partial removal

18

12.86

Insufficient removal

1

0.71