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Dr. Haas is a board certified Colon and Rectal Surgeon, a Fellow of the American College of Surgeons (FACS) and a Fellow of American Society of Colon and Rectal Surgery (FASCRS). He is internationally recognized as an innovator and expert in advanced minimally invasive laparoscopic and robotic colorectal surgery.

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Highly Recommended & Nationally Recognized

Dr. Haas and his partners at Colorectal Surgical Associates are committed to advancing patient care, surgical outcomes and innovative technologies in the field of colon and rectal surgery. To promote this mission, we have established an expert panel of research personnel dedicated to the pursuit of scientific and medical knowledge and the betterment of patient outcomes.

Please contact Dr. Haas today for more information, or to schedule a consultation.

Dr. Haas presents his research
Dr. Haas presenting his clinical research at the American Society of Colon and Rectal Surgeon Annual meeting in Minnesota.

Area of Expertise

Laparoscopic Colon Surgery

Dr. Haas is a recognized expert in the specialty of minimally invasive laparoscopic colon and rectal surgery.

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Single-Incision Laparoscopic Surgery (SILS)

Also known as “scarless surgery”, SILS is the most recent breakthrough in the arena of minimally invasive laparoscopic colon surgery.

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Robot-Assisted Laparoscopic Surgery (RALS)

Only a handful of surgeons worldwide are using robotic surgery to help preserve sexual function and bladder control for patients with colorectal cancers.

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Recent Publications and Presentations

Dr. Haas and collaborating research experts participate in scientific advancements & research publications.

Publications