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Fig. 1 | Breast Cancer Research

Fig. 1

From: Challenges and improvements in HER2 scoring and histologic evaluation: insights from a national proficiency testing scheme for breast cancer diagnosis in China

Fig. 1

Overall characteristics of participating institutions across China. a A noteworthy expansion in the number of participants is observed from 2022 to 2023. b The geographical distribution of the PT scheme has extended from 26 to 30 provinces/municipalities/autonomous regions across China. c The classification of institution types among the 169 participating entities is depicted in the donut charts. d The classification of institution levels among the 169 participants is presented in the donut charts

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Breast Cancer Research

ISSN: 1465-542X

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