preferred_name: Mastoid &#x7C; Computed tomography &#x7C; Radiology
preferred_name_lc: mastoid &#x7c; computed tomography &#x7c; radiology
label: Mastoid &#x7C; Computed tomography &#x7C; Radiology
label_lc: mastoid &#x7c; computed tomography &#x7c; radiology