.

longs/migrations/0028_longseries_contrast.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1.3 on 2021-02-25 18:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0009_contrast'),
+        ('longs', '0027_longseries_plane'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='longseries',
+            name='contrast',
+            field=models.ForeignKey(help_text='MRI / CT contrast', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='series_contrast', to='generic.contrast'),
+        ),
+    ]

longs/models.py

@@ -25,7 +25,7 @@ from helpers.images import image_as_base64
 
 from anatomy.models import Modality
 
-from generic.models import Examination, Condition, Sign, ExamBase, Plane
+from generic.models import Examination, Condition, Sign, ExamBase, Plane, Contrast
 
 # from generic.models import Examination, Site, Condition, Sign
 
@@ -194,6 +194,13 @@ class LongSeries(models.Model):
         on_delete=models.SET_NULL,
         null=True,
     )
+    contrast = models.ForeignKey(
+        Contrast,
+        help_text="MRI / CT contrast",
+        related_name="series_contrast",
+        on_delete=models.SET_NULL,
+        null=True,
+    )
     long = models.ManyToManyField(
         "Long",
         help_text="The question(s) this series should be associated with",