Ultrasound guided biopsy of pylorus was performed due to persistent obstruction:
SPECIMEN TYPE: FNA-DEEP
BODY SITE: GASTRIC
RESULTS: Malignant Cells Present Derived From Adenocarcinoma.
Immunoperoxidase Stain(s): Cytokeratin Cocktail And CK7 Positive; CK20, S100
REMARKS: Morphology And Immunophenotype Would Favor An Upper GI Tract Primary.