Hu Yang, who had put down his phone, suddenly changed expression. He knew very well about his grandfather's abilities.,What kind of person could do something that would take him three years to deal with,Yun Yanran stood on the spot, her face full of hesitation. To be honest, she didn't believe Hu Yang's medical skills either, but now, she clung to a sliver of hope and didn't want to miss any chance to save her grandfather.。