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Table 1 Entity types for clinical named entity recognition

From: A novel deep learning approach to extract Chinese clinical entities for lung cancer screening and staging

Entity type

Description

Instance

Vessel

Description of great vessel invasion

病灶包绕右下肺动脉主 (The lesion surrounds the right lower pulmonary trunk)

Vertebral Body

Description of Vertebral Body invasion

颈7椎体压缩变扁(Cervical 7 vertebrae become compressed and flattened)

PAOPa

Description of pulmonary atelectasis or obstructive pneumonitis

远端可见片絮影 (Fillets are visible at the far end)

Bronchus

Description of bronchial invasion

凹陷 (indentation)

Pleura

Description of pleural invasion or metastasis

增厚 (thickening)

Shape

Shape of mass

类圆形 (round)

Density

Density of mass

磨玻璃密度 (ground glass density)

Mass

Suspected mass/lump/lesion in lung

结节 (nodule)

Enhancement

Enhancement extent of mass

强化明显 (significant intension)

Size

Size of mass or lymph nodes

25 × 22 cm

Location

Location of mass or lymph nodes

左上肺右基底段 (upper left lung right basal segment)

Lymph

Suspected lymph node metastasis

肿大淋巴结 (swollen lymph nodes)

Negation

Negative words

未见 (no)

Effusion

Condition of pericardial effusion

心包积液 (effusion)

  1. aPAOP: Pulmonary Atelectasis/Obstructive Pneumonitis