Negative for malignancy

• Normal
• Gastritis
  • H pylori
  • HSV
  • CMV
• Repair

Atypical cells present

• dysplasia
  • flat
  • associated with atrophic gastritis
• adenoma
  • polypoid

Positive for neoplastic cells

• carcinoid tumor
• GIST

Suspicious for malignancy

Positive for malignancy

• adenocarcinoma
  • intestinal
  • signet ring
• small cell carcinoma
• lymphoma