The primary aim of this study is to investigate and test whether the use of combined indocyanine green (ICG) lymphography and ultra high frequency ultrasonography can correctly identify lymphatic vessels and venoles in close proximity to each other, for identification prior to lymphovenous anastomosis (LVA) surgery.
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Number of vessels planned for surgery surgery
Timeframe: Preoperative
Number of vessels found during surgery
Timeframe: Perioprative