Assertion: tumor | /r/HasProperty | gist
Facets:
value: previously
type: TEMPORAL
Source sentences:
text: If the CD117 stain is negative and suspicion remains that the tumor is a GIST, the newer antibody DOG-1
text: The identification of a molecular basis for GIST led to the exclusion of many tumors that had been considered as GIST previously, and also the incorporation of a much larger number of tumors that had been labeled as other types of sarcomas and undifferentiated carcinomas.:1065 For example, some previous diagnoses of stomach and small bowel leiomyosarcomas (malignant tumor of smooth muscle) would be reclassified as GISTs on the basis of immunohistochemical staining.