日本中文字幕乱码在线播放-美女视频一区二区三区在线-亚洲少妇久久中文字幕-欧美日韩激情视频免费观看-欧美午夜激情视频在线播放-久久久久亚洲av毛片大-日韩av一区二区在线-成人污污污视频在线免费观看-亚洲中文字幕在线四区

By visualizing the lymph vessels during surgery, the surgeon can perform surgical procedures while monitoring the position of lymph vessels being excised, for example, on a monitor screen. This is especially useful for identifying the position of sentinel lymph nodes, which are important for diagnosing the metastasis status of cancer cells during surgery.