disease has location pylorus cancer pyloric antrum cancer UMLS_CUI:C0153419 SNOMEDCT_US_2025_09_01:93976007 disease_ontology ICD10CM:C16.3 NCI:C194068 ICD9CM:151.2 DOID:10547 malignant neoplasm of antrum of stomach malignant tumor of pyloric antrum cancer pyloric antrum