preferred_name: Specimen from mediastinal lymph node obtained by endotracheal aspiration biopsy
preferred_name_lc: specimen from mediastinal lymph node obtained by endotracheal aspiration biopsy
label: Specimen from mediastinal lymph node obtained by endotracheal aspiration biopsy
label_lc: specimen from mediastinal lymph node obtained by endotracheal aspiration biopsy