A1

A22 pT2 [Tumor > 2 cm but < 4 cm in greatest dimension] A23 pT3 [Tumor > 4 cm in greatest dimension] For lip: A24 pT4 [Tumor invades through cortical bone, inferior alveolar nerve, floor. of mouth, skin of face (e.g., chin or nose)] For oral cavity: A24a pT4a [Tumor invades adjacent structures, such as through cortical bone, into deep ................
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