VoxelCloud, the startup that uses AI for medical imaging analysis, has raised $50M in Series B funding from investors that include Sequoia Capital China, Qingsong Fund, Hanfor Capital Management, and Shenzhen Hongtai Capital Management Group. Founded by Demetri Terzopoulos, Jianming Liang, and Xiaowei Ding in 2016, VoxelCloud has now raised a total of $78.5M in funding over four funding rounds.