Table 4 Pre-defined entity keys, along with examples of entity values and mentions for each entity type.

From: Two stage large language model approach enhancing entity classification and relationship mapping in radiology reports

Entity types

Entity keys

Example of entity value

Example of mention

Chest CT

Lesions

Nodules, Ground glass opacity (GGO), Consolidation, Pleural effusion, Atelectasis, Fibrosis, Bronchiectasis, Mass, Bronchial wall thickening, Interstitial thickening, Pleural thickening

Nodules:

nodule, calcified granuloma, nodular lesion

“nodular lesions in left upper lobe.”

Locations

Right lung, Left lung, Both lower lobe (BLL), Right lower lobe (RLL), Left lower lobe (LLL), Right middle lobe (RML), Both upper lobe (BUL), Right upper lobe (RUL), Left upper lobe (LUL), Pleural, Left Lingula

Right lung: right lung, rt. lung

“small nodules in the Rt. lung”

Brain MRI

 

Diagnoses

  

tumor

Glioma, Lymphoma, Metastasis, Non-malignant tumors

Glioma: astrocytoma, gbm, idh-mutant

“GBM in the left temporal lobe.”

  

non-tumor

Demyelinating, Infection/Inflammation, Hemorrhage/Vascular lesion, Stroke

Demyelinating:

multiple sclerosis, demyelinating

“R/O demyelinating disease, more likely.”

 

Episodes

Progression, Stable, Improvement

Progression:

newly appeared, progression

“progression of preexisting contrast enhancing lesion”