Sort label images so that we always select the same one

Author: bnmajor

notebooks/getting_started/part3_exploring_cohorts.ipynb

@@ -836,7 +836,7 @@
       },
       "outputs": [],
       "source": [
-        "label_image_series_UID = os.listdir(f\"IDC_sorted/{patient_ID}/{study_UID}/SEG\")[0] # Select the first segmentation\n",
+        "label_image_series_UID = sorted(os.listdir(f\"IDC_sorted/{patient_ID}/{study_UID}/SEG\"))[-1] # Select the last segmentation\n",
         "label_image_SOP_UID = os.listdir(f\"IDC_sorted/{patient_ID}/{study_UID}/SEG/{label_image_series_UID}\")[0] # Get the name of the DICOM file\n",
         "\n",
         "# Read the DICOM SEG object using pydicom and pydicom_seg.\n",