.

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",