Pashtoon Kasi, Medical Director of GI Medical Oncology at City of Hope Orange County, shared a post on X:
“Such a beautiful story of real world precision medicine.
Meet ERRFI1
Time to add this to actionable Biomarkers for cholanagio carcinoma.
Patient in paper, I took off hospice to give Erlotinib.”
Title: ErbB Receptor Feedback Inhibitor 1 Mutation in Biliary Tract Cancers: Turning Resistance Into Response
Authors: Supriya Peshin, Fen Saj, Pashtoon M. Kasi, Felicity David, Janio Szklaruk, Quentin Kimana, Shubham Pant, Sunyoung S. Lee, Jennifer J. Knox, Mitesh J. Borad, Milind Javle.

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