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John H. Marks
USA
- Chief of Colorectal Surgery, Main Line Health Systems
- Director of Minimally Invasive Colorectal Surgery and Rectal Cancer Management Fellowship, Lankenau Hospital
- Medical Director of Lankenau Hospital, Colorectal Center
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Professor of Lankenau Institute of Medical Researc
PATIENT OFFICE |
Marks Colorectal Surgical Associates
Lankenau Medical Office Building West
Suite 330, 100 Lancaster Avenue
Wynnewood, Pennsylvania 19096
Tel: 610-645-9093 or 215-923-5010
FAX: 610-645-9476
E-Mail: MarksJ@MLHS.org |
EDUCATION |
Yale University, New Haven, CT, BS, 1985
Jefferson Medical College, Philadelphia, PA, MD, 1989 |
POST-GRADUATE TRAINING |
Board Member, Philadelphia Chapter Crohn¡¦s & Colitis Foundation of America, 2004
Member, Editorial Board, Chinese Journal of Clinicians (Electronic Edition), December
2010 ¡V December 2014 |
BOARD CERTIFICATION
Diplomate, American Board of General Surgery, 1996
Recertification, 2004
Diplomate, American Board of Colon and Rectal Surgery, 1997
LICENSURE
Pennsylvania
CURRENT PROFESSIONAL POSITIONS
Chief, Section of Colorectal Surgery, Main Line Health System, The Lankenau Hospital, Wynnewood, Pennsylvania, 2001- Present
Director, Fellowship in Laparoscopic and Minimally Invasive Colorectal Surgery and Advanced Rectal Cancer Management, The Lankenau Hospital, Wynnewood, Pennsylvania, 2002 - Present
Professor, Lankenau Institute for Medical Research (LIMR), The Lankenau Hospital, Wynnewood, Pennsylvania, July 1999 - Present
Member, Editorial Board, Surgical Endoscopy, Springer Publishers, New York, New York, 2003 - Present
Assistant Clinical Professor of Surgery, MCP Hahnemann University, Philadelphia, Pennsylvania, January 1996 - Present
President, Northeastern Society of Colorectal Surgeons, 2000 - Present
Secretary, International Network of Comprehensive Rectal Cancer Centers (INCRCC), The Lankenau Hospital, Wynnewood, Pennsylvania, 1997 - Present
President, Marks Colorectal Surgical Foundation, 1997 - Present
Co-Director, Marks Colorectal Surgical Associates, The Lankenau Hospital, Wynnewood, Pennsylvania, 1998 - Present
Committee Member, Technologies Committee, American Society of Colon and Rectal Surgeons (ASCRS), 1999 - 2003
Committee Member, Regional Society Committee, American Society of Colon and Rectal Surgeons (ASCRS), 2002 - Present
Laboratory Director, Transanal Endoscopic Microsurgery Course, American Society of Colon and Rectal Surgeons (ASCRS), 2005
Committee Member, Legislative Review Committee, Society of American Gastrointestinal Endoscopic Surgeons (SAGES), 1998 ¡V Present
Committee Member, Standards of Practice Committee, Society of American Gastrointestinal Endoscopic Surgeons (SAGES), 1998 ¡V2003
Committee Member, Program Committee, Society of American Gastrointestinal Endoscopic Surgeons (SAGES), 2002 - Present
Committee Member, Technologies Committee, Society of American Gastrointestinal Endoscopic Surgeons (SAGES), 2002 - Present
Poster Chair, Annual Meeting, Society of American Gastrointestinal Endoscopic Surgeons (SAGES), 2004
Director, Laparoscopic Colon Course, Annual Meeting, Society of American Gastrointestinal Endoscopic Surgeons (SAGES), 2005
Board Member, Colon Cancer Alliance Strategic Advisory Board, May 2000 - Present
Board Member, Philadelphia Chapter Crohn¡¦s & Colitis Foundation of America, 2004 Member, Editorial
Board, Chinese Journal of Clinicians (Electronic Edition), December 2010 ¡V December 2014
President, International Society of Laparoscopic Colorectal Surgeons, 2010 ¡V 2011.
HOSPITAL AFFILIATIONS
The Lankenau Hospital, Wynnewood, Pennsylvania, 1998 - Present
Bryn Mawr Hospital, Bryn Mawr, Pennsylvania, 1998 - Present
Paoli Hospital, Paoli, Pennsylvania, 1998 - Present
Hahnemann University Hospital, Philadelphia, Pennsylvania, 1996 ¡V Present
COMMITTEES OF THE LANKENAU HOSPITAL
Oncologic Initiative ¡V Strategic Planning Committee, 2003 ¡V Present
Colorectal Cancer Working Group (Director), 2005 ¡V Present
Operating Room Renovation Committee, 2003 ¡V 2004
Committee on Cancer, 2004 ¡V Present
Graduate Medical Education Committee, 2005 - Present
RESEARCH PROJECTS
Principal Investigator
- Randomized Trial of Open Colectomies Versus Hand-Assisted Laparoscopic Colectomies with Intromit. Sponsored by MedTech Limited, Dublin, Ireland, 1996 - 1999
- Detection of Cancer Cells in Peripheral Blood of Patients with Colorectal Cancer (Immunicon Corporation), 1996 ¡V 1999
- Prospective Randomized Trial on the Treatment of Rectal Cancer in T1 G2-3 and T2 G1-3 N0 M0 Patients: Preoperative Radiochemotherapy and Local Excision Versus Anterior Resection or Abdominoperineal Resection, 1998 ¡V 2002
- A Study of Full Thickness Local Excision of Distal Rectal Cancer Utilizing High Dose Preoperative Chemoradiation. Funded by Sharpe-Strumia Research Foundation Grant, 2005
Co-Investigator/Participant
- Evaluation of the Efficacy, the Safety and the Tolerability of Enterokinetic Given Subcutaneously in Patients Undergoing Elective Partial Colectomies. Funded by Janssen Pharmaceutica Research Foundation, 1997 to 1998.
- Phase III Prospective Randomized Trial Comparing Laparoscopic-Assisted Colectomy Versus Open Colectomy for Colon Cancer, National Surgical Adjuvant Breast and Bowel Project/National Cancer Institute, 1998-2004.
- A Clinical Trial to Evaluate the Worth of Preoperative Multimodality Therapy (5FU and RTX) in Patients with Operable Carcinoma of the Rectum.
- COSTSG (Clinical Outcomes of Surgical Therapy Study Group) of the Laparoscopic Colectomy Trial: Status of Treatment of Colon Cancer, 2004
Database Supervisor
- Rectal Cancer:
Culshaw Research Unit of Marks Colorectal Surgical Foundation
- Transanal Endoscopic Microsurgery:
Marks Colorectal Surgical Foundation
- Laparoscopic Colorectal Surgery:
Marks Colorectal Surgical Foundation
MEDICAL SOCIETY MEMBERSHIPS
American College of Surgeons (Fellow), 1994 - Present
American Medical Association, 1996 - Present
American Society of Colon and Rectal Surgeons (Fellow), 1995 - Present
Association for Academic Surgery, 1996 - 2000
Northeastern Society of Colorectal Surgeons, 1995 - Present
Pennsylvania Medical Society, 1996 to Present
Pennsylvania Society of Colon and Rectal Surgeons, 1996 ¡V Present
Philadelphia Academy of Surgery, 2000 - Present
Philadelphia County Medical Society, 1996 to Present
Society of American Gastrointestinal Endoscopic Surgeons, 1996 ¡V Present
Society of Laparoendoscopic Surgeons, 1994 - Present
Society for Surgery of the Alimentary Tract, 1996 ¡V Present
Society of Surgical Oncology, 2006 ¡V Present
ASCRS representative for Fellowship Council Accreditation Committee, October 2009 - 2010
HONORS AND AWARDS
Jefferson Award for Excellence in Research. Presented by the Thomas Jefferson University School of Medicine, 1993.
Jefferson Laparoscopic Surgery Award. Presented by the Thomas Jefferson University School of Medicine, 1994.
Bacon Foundation Award for Excellence in Research and Presentation. Presented by the American Society of Colon and Rectal Surgeons for ¡§Detection of Colorectal Cancer Cells in Peripheral Blood Using Ferrofluids,¡¨ 1999.
Lifetime Member, National Registry of Who¡¦s Who, 1999.
Stuart H. Q. Quan Award for Excellence in Cancer Research. Presented by the Northeastern Society of Colon and Rectal Surgeons for ¡§Status of Laparoscopic Treatment of Colon Cancer: COSTSG Trial,¡¨ 2004.
Selected Physician of the Year by the Crohn¡¦s & Colitis Foundation of America, Philadelphia/Delaware Valley Chapter, November, 2006.
Nominated to participate on the Accreditation Committee of the Fellowship Council of ASCRS, 2010.
SPECIAL ACHIEVEMENTS
One of two expert colorectal surgeons in the United States selected to present informational seminar on Transanal Endoscopic Microsurgery (TEM) at Society of American Gastrointestinal Endoscopic Surgeons (SAGES) Meeting of the Millennium, Atlanta, Georgia, March 30 and 31, 2000.
One of a four-person group representing the International Network of Comprehensive Rectal Cancer Centers (INCRCC) at a special meeting of the National Surgical Adjuvant Breast and Bowel Project (NSABP) in Pittsburgh, Pennsylvania, March 6, 2000. (INCRCC provided the foundation for a new national rectal cancer trial.)

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