diff --git a/bin/sarif-results-summary b/bin/sarif-results-summary
index cfb1269..833459d 100755
--- a/bin/sarif-results-summary
+++ b/bin/sarif-results-summary
@@ -33,13 +33,17 @@ for runi in S.indices(sarif_struct, 'runs'):
             # Non-path problems
             # TODO: just pull out the uri, not the artifact
             message, artifact, region = S.get_location_message_info(result)
-            l1, c1, l2, c2 = S.lineinfo(region)
+            if region == S.WholeFile:
+                l1, c1, l2, c2 = -1, -1, -1, -1
+            else:
+                l1, c1, l2, c2 = S.lineinfo(region)
             filepath = "%s:%d:%d:%d:%d" % (artifact['uri'], l1, c1, l2, c2)
             if args.csv:
                 S.write_csv(cw, "result", artifact['uri'], l1, c1, l2, c2, message)
             else:
                 S.msg("RESULT: %s: %s\n\n" % (filepath, message))
-            if args.list_source:
+
+            if region != S.WholeFile and args.list_source:
                 lines = S.load_lines(args.list_source, artifact['uri'], l1, l2)
                 if args.csv:
                     pass
diff --git a/sarif_cli/__init__.py b/sarif_cli/__init__.py
index ec694ef..913c682 100644
--- a/sarif_cli/__init__.py
+++ b/sarif_cli/__init__.py
@@ -33,14 +33,22 @@ def get_relatedlocation_message_info(related_location):
     region = get(related_location, 'physicalLocation', 'region')
     return message, artifact, region
 
+class WholeFile:
+    pass
+
 def get_location_message_info(result):
     """ Given one of the results, extract message information.
 
     The `result` typically starts from get(sarif_struct, 'runs', run_index, 'results', res_index)
+
+    Returns: (message, artifact, region)
+        For an empty 'region' key, returns (message, artifact, sarif_cli.WholeFile)
+
     """
     message = get(result, 'message', 'text')
     artifact = get(result, 'locations', 0, 'physicalLocation', 'artifactLocation')
-    region = get(result,  'locations', 0, 'physicalLocation', 'region')
+    # If there is no 'region' key, use the whole file
+    region = get(result,  'locations', 0, 'physicalLocation').get('region', WholeFile)
     return (message, artifact, region)
 
 def display_underlined(l1, c1, l2, c2, line, line_num):