Ali Rida, MD (he/him/his)

McLaren Greater Lansing Hospital

Poster(s):

• P0450 - Spindle Cells in the Sigmoid: A Rare Sarcomatoid Transformation of Urothelial Carcinoma
  Sunday, October 26, 2025

  3:30 PM - 7:00 PM PDT

• P2009 - Metastatic Adenocarcinoma Masquerading as Primary Duodenal Cancer: A Case of Obstructive GI Lesion Without a Primary Source
  Sunday, October 26, 2025

  3:30 PM - 7:00 PM PDT

• P2825 - When Swallowing Stops: A Rare Case of Achalasia Presenting With Pulmonary Abscesses in an Elderly Patient
  Monday, October 27, 2025

  10:30 AM - 4:00 PM PDT