=== "1"
```python
text = "Une cardiopathie ischémique"
doc = nlp(text)
spans = doc.spans["myocardial_infarction"]

spans
# Out: [cardiopathie ischémique]
```

=== "2"
```python
text = "Une cardiopathie non-ischémique"
doc = nlp(text)
spans = doc.spans["myocardial_infarction"]

spans
# Out: []
```

=== "3"
```python
text = "Présence d'un stent sur la marginale"
doc = nlp(text)
spans = doc.spans["myocardial_infarction"]

spans
# Out: [stent sur la marginale]

span = spans[0]

span._.assigned
# Out: {'heart_localized': [marginale]}
```

=== "4"
```python
text = "Présence d'un stent périphérique"
doc = nlp(text)
spans = doc.spans["myocardial_infarction"]

spans
# Out: []
```

=== "5"
```python
text = "infarctus du myocarde"
doc = nlp(text)
spans = doc.spans["myocardial_infarction"]

spans
# Out: [infarctus du myocarde]

span = spans[0]

span._.assigned
# Out: {'heart_localized': [myocarde]}
```