diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/ExportTumorEvaluationDto.cs b/IRaCIS.Core.Application/Service/Reading/Dto/ExportTumorEvaluationDto.cs
index 2071ab22a..2912afc29 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/ExportTumorEvaluationDto.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/ExportTumorEvaluationDto.cs
@@ -610,7 +610,7 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
             {
                 if (RowId == null)
                 {
-                    return string.Empty;
+                    return "-";
                 }
                 else
                 {
diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/General/GeneralCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/General/GeneralCalculateService.cs
index 18de31f8c..0dd15cd0e 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/General/GeneralCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/General/GeneralCalculateService.cs
@@ -533,7 +533,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                                 bool isOrgan = false;
                                 try
                                 {
-                                    if (item2.Key == "Organ" && column["RowMark"] == string.Empty || column["RowMark"] == "-")
+                                    if (item2.Key == "Organ" && (column["RowMark"] == string.Empty || column["RowMark"] == "-"))
                                     {
                                         column[item2.Key] = string.Empty;
                                         isOrgan = true;
@@ -541,8 +541,8 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                                 }
                                 catch (Exception)
                                 {
+                                    column[item2.Key] = "-";
 
-                                    
                                 }
                                 if (!isOrgan)
                                 {