preferred_name: Distance of tumor from closest margin &#x7C; Specimen &#x7C; Pathology
preferred_name_lc: distance of tumor from closest margin &#x7c; specimen &#x7c; pathology
label: Distance of tumor from closest margin &#x7C; Specimen &#x7C; Pathology
label_lc: distance of tumor from closest margin &#x7c; specimen &#x7c; pathology