Mark Rigby, DO

Ascension Genesys Hospital

Poster(s):

• P3487 - Upper Gastrointestinal Bleed as First Presentation of Duodenal Mucosal Melanoma
  Tuesday, October 24, 2023

  10:30 AM – 4:00 PM PT

• P3488 - Diffuse Large B-Cell Lymphoma Discovered on Upper Endoscopy After Melena and Hematemesis
  Tuesday, October 24, 2023

  10:30 AM – 4:00 PM PT