--- a
+++ b/tests/pipelines/ner/test_tnm.py
@@ -0,0 +1,37 @@
+from edsnlp.utils.examples import parse_example
+
+examples = [
+    "TNM: <ent norm=aTxN1M0>aTxN1M0</ent>",
+    "TNM: <ent norm=pTxN1M0>p Tx N1M 0</ent>",
+    "TNM: <ent norm='pTxN1M0 (UICC 2020)'>p Tx N1M 0 (UICC 20)</ent>",
+    "TNM: <ent norm='aTxN1M0 (UICC 1968)'>aTxN1M0 (UICC 68)</ent>",
+    "TNM: <ent norm=aTxN1R2>aTxN1 R2</ent>",
+    "TNM: <ent norm='pT2cN0R0 (TNM 2010)'>pT2c N0 R0 (TNM 2010)</ent>",
+    "TNM: <ent norm=aTxN1M0>aTx / N1 / M0</ent>",
+    "TNM: <ent norm=pT2N1mi>pT2 N1mi</ent>",
+    "TNM: <ent norm=pT1mN1M0>pT1(m)N1 M0</ent>",
+    "TNM: <ent norm=pT1bN0sn>pT1bN0(sn)</ent>",
+    "TNM: <ent norm=pT1N1M0>pT1 pN1 M0</ent>\n \n ",
+    "TNM: <ent norm=aTxN1M0>aTxN1M0</ent> ",
+    "TNM: <ent norm=cT3N0M0>cT3N0M0</ent> \n \n",
+    "TNM: PT",
+    "TNM: p    T \n",
+    "TNM: a T \n",
+    "TNM: <ent norm=p>pT</ent> \n  \n0",
+]
+
+
+def test_scores(blank_nlp):
+    blank_nlp.add_pipe("eds.tnm")
+
+    for example in examples:
+        text, entities = parse_example(example=example)
+
+        doc = blank_nlp(text)
+
+        assert len(entities) == len(doc.ents)
+
+        for entity, ent in zip(entities, doc.ents):
+            norm = entity.modifiers[0].value
+            assert ent.text == text[entity.start_char : entity.end_char]
+            assert norm == ent._.value.norm()