diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
index f27867790..7cbf71287 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
@@ -2602,8 +2602,8 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
             {
                 result = PET5PSScore.Three;
             }
-            //本访视点病灶的SUVmax（所有病灶中最大的）<纵隔血池SUVmax
-            else if (maxSUVmax < MediastinumSUVmax && maxSUVmax != 0)
+            //本访视点病灶的SUVmax（所有病灶中最大的）<=纵隔血池SUVmax
+            else if (maxSUVmax <= MediastinumSUVmax && maxSUVmax != 0)
             {
                 result = PET5PSScore.Two;
             }