2017
DOI: 10.1093/jamia/ocx131
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Hierarchical attention networks for information extraction from cancer pathology reports

Abstract: HAN-based DL models show promise in information abstraction tasks within unstructured clinical pathology reports.

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Cited by 119 publications
(120 citation statements)
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“…Our work has several limitations. Among them, we use a set of bag-of-words models as baseline models since it is part of our usual workflow, however other alternatives such as conditional random fields or other state-of-the-art models could be excellent baseline models as well, as proposed by other authors [33,42,44,45,47,48] . Also, we only evaluated the models in a classification problem with only a few classification categories.…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…Our work has several limitations. Among them, we use a set of bag-of-words models as baseline models since it is part of our usual workflow, however other alternatives such as conditional random fields or other state-of-the-art models could be excellent baseline models as well, as proposed by other authors [33,42,44,45,47,48] . Also, we only evaluated the models in a classification problem with only a few classification categories.…”
Section: Discussionmentioning
confidence: 99%
“…Also, we only evaluated the models in a classification problem with only a few classification categories. However, other teams have had very good results even with more categories and fewer observations [42,44] .…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Frame Elements References CODE TERMINOLOGY: clinical terminology used for the procedure mention [52] CODE VALUE: value of the terminology code [52], [1] INSTITUTION: institution where the procedure was performed [52] NEGATION: whether the mention is negated [52], [77] MENTION: words related to any procedure term (e.g. flex sig, guaiac card) [75], [52], [15], [84], [77], [43] MARGIN: usually the rim of normal tissue taken removed during or after procedure (surgical margin) [52] ANATOMICAL SITE: part of body procedure targets (e.g., breast) [79], [52] TEMPORAL INFORMATION: time and date descriptors (e.g., "colonoscopy in 2005", "flexible sigmoidoscopy 5 years ago), date of completion [52], [15], [1], [10] STATUS: procedure or treatment status (e.g., refused, declined, scheduled, planned, completed, reported vs not reported) [15], [42], [1], [82] MODIFIER: negation and other modifiers that change the status of procedure (e.g., "no", "never") [15] TUMOR DESCRIPTION ANATOMICAL SITE: anatomic locations (e.g., "segment 5" or "left lobe") with attributes (Liver, Non Liver), target location (e.g., liver and segment #7) as well as non-target location (e.g., breast) [13], [8], [52], [85], [42], [25], [9], [23], [26], [41] LATERALITY: side of a paired organ associated with origin of the primary tumor [25] TYPE: primary/metastatic [25] STATUS: benign or malignancy status along with diagno...…”
Section: Framementioning
confidence: 99%
“…GRADE: appearance of the cancerous cells [8], [52], [9], [48], [87], [26] INVASION: whether or not more than 50% of an organ is invaded [52], [88] SIZE: quantitative size of tumor (e.g., 2.2 x 2.0 cm), diameter/volume of the tumor, including unit (e.g., 1 cm, 0.3 x 0.5 x 0.7 cm) [13], [52], [88], [85], [42], [25], [48], [41] SIZE TYPE: radiological/pathological [25] NEGATION: indicator to some negation of a tumor reference (e.g., no) [85], [86], [41] COUNT: number of tumor/nodule references (e.g., two or multiple) [13], [88], [85] TUMOR REFERENCE: a radiologic artifact that may reference a tumor (e.g., lesion or focal density) [88], [85] MENTION: tumor major object (e.g., tumor, lesion, mass, and nodule) [13], [42], [47], [49], [41] QUANTIFIER: one, two, three, several [42] TEMPORAL INFORMATION: refers to information about time (e.g., year, month, and date, 2007-08-04) [52], [42], [86] NON-TUMOR SIZE ITEMS: LeVeen needle, which is used in RFA treatment [42] STATUS: this indicates the final overall tumor status (e.g., regression, stable, progression, irrelevant) [89], [41] METASTATIC STATUS INDICATORS: phrases denoting a metastatic tumor [9], [90] MAGNI...…”
Section: Frame Elements Referencesmentioning
confidence: 99%