Hayley M. Knollman, MD

Hayley M. Knollman, MD, is an assistant professor of clinical medicine with a focus on breast cancer at the University of Pennsylvania.

Articles by Hayley M. Knollman, MD

Hayley Knollman, MD, Highlights Growing Role of Patient Preferences in Breast Cancer Care

ByGiuliana Grossi,Hayley M. Knollman, MD

May 5th 2026

Shared decision-making and quality of life are increasingly shaping metastatic breast cancer care amid persistent social barriers, notes Hayley Knollman, MD.

Staging, ctDNA, and the Art of Personalizing Metastatic Breast Cancer Therapy: Hayley Knollman, MD

ByGiuliana Grossi,Hayley M. Knollman, MD

April 16th 2026

Hayley Knollman, MD, explains how ctDNA and genomic testing impact ER-positive metastatic breast cancer care, guiding sequencing decisions amid evolving HER2 categories.

Hayley M. Knollman, MD

Articles by Hayley M. Knollman, MD

Hayley Knollman, MD, Highlights Growing Role of Patient Preferences in Breast Cancer Care

Staging, ctDNA, and the Art of Personalizing Metastatic Breast Cancer Therapy: Hayley Knollman, MD

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