Detection of mesenchymal chondrosarcoma in pleural effusion with immunocytochemistry and determination of HEY1::NCOA2 fusion by next‐generation sequencing on cell block. - Zhong, Jingmin; Wang, Qingjie; Xie, Yilin; Niu, Zhaorong; Zhou, Diwei (Cytopathology, 2024)