diff --git a/dicom2stl.py b/dicom2stl.py
index fc50d72..6e9f5f4 100755
--- a/dicom2stl.py
+++ b/dicom2stl.py
@@ -48,7 +48,7 @@ def elapsedTime(start_time):
     print("    %4.3f seconds" % dt)
 
 
-def loadVolume(fname, tempDir=None, verbose=False):
+def loadVolume(fname, tempDir=None, verbose=0):
     modality = None
     zipFlag = False
     dirFlag = False
@@ -85,7 +85,7 @@ def loadVolume(fname, tempDir=None, verbose=False):
     #
     if zipFlag:
         # Case for a zip file of images
-        if args.verbose:
+        if verbose:
             print("zip")
         if not tempDir:
             with tempfile.TemporaryDirectory() as defaultTempDir:
@@ -120,8 +120,8 @@ def extract_int(file_path):
 
                 fname = sorted(fname, key=extract_int)
 
-                if args.verbose:
-                    if args.verbose > 1:
+                if verbose:
+                    if verbose > 1:
                         print("Reading images: ", fname)
                     else:
                         print(
@@ -427,6 +427,9 @@ def dicom2stl(args):
     print("")
 
 
-if __name__ == "__main__":
+def main():
     args = parseargs.parseargs()
     dicom2stl(args)
+
+if __name__ == "__main__":
+    main()
diff --git a/pyproject.toml b/pyproject.toml
index 5a5bb17..6a09e3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "dicom2stl"
 authors = [
   { name="David Chen", email="dchen@mail.nih.gov" },
 ]
-description = "A script to extract an STL surface mesh from a DICOM volume image."
+description = "A script to extract an iso-surface from a DICOM series to produce an STL mesh."
 readme = "README.md"
 requires-python = ">=3.8"
 classifiers = [