C72.2 - Malignant neoplasm of olfactory nerve C72 - Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system C72.2 - Malignant neoplasm of olfactory nerve
C72.20 - Malignant neoplasm of unspecified olfactory nerve C72.21 - Malignant neoplasm of right olfactory nerve C72.22 - Malignant neoplasm of left olfactory nerve