--- a
+++ b/clusters/unpackedclusters/clust_152.txt
@@ -0,0 +1 @@
+Prior radiation therapy to the pelvis that would result in overlap of radiation therapy fieldsXx_NEWLINE_xXPatient must not have had previous irradiation to the head and neck that would result in overlap in radiation fields for the current diseaseXx_NEWLINE_xX
\ No newline at end of file