diff --git a/lungs.nrrd b/lungs.nrrd
new file mode 100644
index 0000000..a45d35e
Binary files /dev/null and b/lungs.nrrd differ
diff --git a/main.py b/main.py
index 3234bfb..1226225 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
-import SimpleITK as stik
+import SimpleITK as sitk
 
-img = stik.ReadImage("Thorax1.0B40f_Downsampled_by_2.nrrd")
+img = sitk.ReadImage("Thorax1.0B40f_Downsampled_by_2.nrrd")
 
 xSp, ySp, zSp = img.GetSpacing()
 
@@ -15,6 +15,11 @@ print(f"Size: \n{xSi = }\n{ySi = }\n{zSi = }\n")
 print(f"2) Das Bild hat in den drei Raumrichtungen {xSi * ySi * zSi} Voxel. \n")
 print(f"3) Die Methode GetSize() gibt den Typ tuple zurück. \n")
 
-lungs = stik.ConnectedThreshold(img, seedList= (120,140,100), lower=-1100, upper=-200)
+
+seedList = [(120,140,100)]
+
+lungs = sitk.ConnectedThreshold(img, seedList , -1100, -200)
+sitk.WriteImage(lungs, "lungs.nrrd")
+