Andrew A. Shelton, M.D.

Surgical oncologist

Colorectal surgeon

Gastrointestinal (GI) Cancer Program

  • 875 Blake Wilbur Drive
  • Palo Alto, CA 94304
  • Phone: 650-498-6000
Learn More About the Clinic Getting Here Make An Appointment

Professional Education

Residency: UCSF Medical Center (1996) CA

Board Certification: General Surgery, American Board of Surgery (1997)

Board Certification: Colon and Rectal Surgery, American Board of Colon and Rectal Surgery (1999)

Fellowship: University of Minnesota (1998) MN

Internship: UCSF Medical Center (1992) CA

Medical Education: University of Wisconsin Medical School (1991) WI

Fellowship, University of Minnesota, Colon and Rectal Surgery (1998)

Residency, UCSF, General Surgery (1996)

M.D., University of Wisconsin, Medicine (1991)

B.A., University of Colorado, Molecular Biology (1987)

Honors & Awards

Resident Research Award, University of Minnesota (1998)

Alpha Omega Alpha, University of Wisconsin (1991)

Phi Beta Kappa, University of Colorado (1987)

Administrative Appointments

Clinical Director Medical Informatics, Stanford University Hospital and Clinics, 2006

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Hospital & Clinics patient, you have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Outcomes of repeat colonoscopy in patients with polyps referred for surgery without biopsy-proven cancer
Friedland, S., Banerjee, S., Kochar, R., Chen, A., & Shelton, A. (2014). Outcomes of repeat colonoscopy in patients with polyps referred for surgery without biopsy-proven cancer. GASTROINTESTINAL ENDOSCOPY, 79(1), 101-107.

Predictors of postoperative urinary retention after colorectal surgery.
Kin, C., Rhoads, K. F., Jalali, M., Shelton, A. A., & Welton, M. L. (2013). Predictors of postoperative urinary retention after colorectal surgery. Diseases of the colon & rectum, 56(6), 738-746.

Endoscopic management of nonlifting colon polyps.
Friedland, S., Shelton, A., Kothari, S., Kochar, R., Chen, A., & Banerjee, S. (2013). Endoscopic management of nonlifting colon polyps. Diagnostic and therapeutic endoscopy, 2013, 412936-?.

Clinicopathologic and molecular features of sporadic early-onset colorectal adenocarcinoma: an adenocarcinoma with frequent signet ring cell differentiation, rectal and sigmoid involvement, and adverse morphologic features
Chang, D. T., Pai, R. K., Rybicki, L. A., DiMaio, M. A., Limaye, M., & Pai, R. K. (2012). Clinicopathologic and molecular features of sporadic early-onset colorectal adenocarcinoma: an adenocarcinoma with frequent signet ring cell differentiation, rectal and sigmoid involvement, and adverse morphologic features. MODERN PATHOLOGY, 25(8), 1128-1139.

Free transverse rectus abdominis myocutaneous flap reconstruction of a massive lumbosacral defect using superior gluteal artery perforator vessels
Gaster, R. S., Bhatt, K. A., Shelton, A. A., & Lee, G. K. (2012). Free transverse rectus abdominis myocutaneous flap reconstruction of a massive lumbosacral defect using superior gluteal artery perforator vessels. MICROSURGERY, 32(5), 388-392.

Single-cell dissection of transcriptional heterogeneity in human colon tumors
Dalerba, P., Kalisky, T., Sahoo, D., Rajendran, P. S., Rothenberg, M. E., & Quake, S. R. (2011). Single-cell dissection of transcriptional heterogeneity in human colon tumors. NATURE BIOTECHNOLOGY, 29(12), 1120-U11.

Intensity-Modulated Radiation Therapy Versus Conventional Radiation Therapy for Squamous Cell Carcinoma of the Anal Canal
Bazan, J. G., Hara, W., Hsu, A., Kunz, P. A., Ford, J., & Chang, D. T. (2011). Intensity-Modulated Radiation Therapy Versus Conventional Radiation Therapy for Squamous Cell Carcinoma of the Anal Canal. CANCER, 117(15), 3342-3351.

Fulminant Clostridium difficile Colitis in a Post-Liver Transplant Patient
Lee, M., Shelton, A. A., Concepcion, W. L., Bonham, C. A., & Daugherty, T. J. (2010). Fulminant Clostridium difficile Colitis in a Post-Liver Transplant Patient. DIGESTIVE DISEASES AND SCIENCES, 55(9), 2459-2462.

Pathological response after chemoradiation for T3 rectal cancer.
Chennupati, S. K., Kamaya, A., Fisher, G. A., Ford, J. M., Kunz, P., & Chang, D. T. (2010). Pathological response after chemoradiation for T3 rectal cancer. Colorectal disease , 12(7 Online), e24-30.

Pathological response after chemoradiation for T3 rectal cancer
Chennupati, S. K., Kamaya, A., Fisher, G. A., Ford, J. M., Kunz, P., & Chang, D. T. (2010). Pathological response after chemoradiation for T3 rectal cancer. COLORECTAL DISEASE, 12(7), E24-E30.

Mechanical Bowel Preparation in Intestinal Surgery: A Meta-Analysis and Review of the Literature
Pineda, C. E., Shelton, A. A., Hernandez-Boussard, T., Morton, J. M., & Welton, M. L. (2008). Mechanical Bowel Preparation in Intestinal Surgery: A Meta-Analysis and Review of the Literature. JOURNAL OF GASTROINTESTINAL SURGERY, 12(11), 2037-2044.

SIR 2008 annual meeting film panel case: Castleman disease complicated by follicular dendritic cell sarcoma
Sze, D. Y., & Shelton, A. A. (2008). SIR 2008 annual meeting film panel case: Castleman disease complicated by follicular dendritic cell sarcoma. JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY, 19(8), 1141-1144.

Dartos muscle interposition flap for the treatment of rectourethral fistulas
Varma, M. G., Wang, J. Y., Garcia-Aguilar, J., Shelton, A. A., McAninch, J. W., & Goldberg, S. M. (2007). Dartos muscle interposition flap for the treatment of rectourethral fistulas. DISEASES OF THE COLON & RECTUM, 50(11), 1849-1855.

Phenotypic characterization of human colorectal cancer stem cells
Dalerba, P., Dylla, S. J., Park, I.-K., Liu, R., Wang, X., & Clarke, M. F. (2007). Phenotypic characterization of human colorectal cancer stem cells. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 104(24), 10158-10163.

Transperineal repair of persistent rectovaginal fistulas using an acellular cadaveric dermal graft (AlloDerm (R))
Shelton, A. A., & Welton, M. L. (2006). Transperineal repair of persistent rectovaginal fistulas using an acellular cadaveric dermal graft (AlloDerm (R)). DISEASES OF THE COLON & RECTUM, 49(9), 1454-1457.

Sexually transmitted parasitic diseases.
Shelton, A. A. (2004). Sexually transmitted parasitic diseases. Clinics in colon and rectal surgery, 17(4), 231-234.

The pelvic floor in health and disease
Shelton, A. A., & Welton, M. L. (1997). The pelvic floor in health and disease. WESTERN JOURNAL OF MEDICINE, 167(2), 90-98.