Medicine
https://openalex.org/C71924100
https://www.wikidata.org/wiki/Q11190
Radiology
https://openalex.org/C126838900
https://www.wikidata.org/wiki/Q77604
Nodule (geology)
https://openalex.org/C2776731575
https://www.wikidata.org/wiki/Q2916245
Lung cancer
https://openalex.org/C2776256026
https://www.wikidata.org/wiki/Q47912
Radiography
https://openalex.org/C36454342
https://www.wikidata.org/wiki/Q245341
Lung cancer screening
https://openalex.org/C2777405583
https://www.wikidata.org/wiki/Q6704277
Stage (stratigraphy)
https://openalex.org/C146357865
https://www.wikidata.org/wiki/Q1123245
Biopsy
https://openalex.org/C2775934546
https://www.wikidata.org/wiki/Q179991
Solitary pulmonary nodule
https://openalex.org/C2780244788
https://www.wikidata.org/wiki/Q1877474
Thoracotomy
https://openalex.org/C2778847313
https://www.wikidata.org/wiki/Q1340337
Nuclear medicine
https://openalex.org/C2989005
https://www.wikidata.org/wiki/Q214963
Computed tomography
https://openalex.org/C544519230
https://www.wikidata.org/wiki/Q32566
Identifying a knowledge gap in the field of study
It is still not known whether …
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Introducing Work section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Radiology".
Paper: "Diagnostic Performance of Coronary Angiography by 64-Row CT"
Function: "Identifying a knowledge gap in the field of study".
Example Sentence: "It is still not known whether …". [/INST]