• Gupta N, Graham G, Sandhu RK, Zaheer S. Multi-Modality Treatment for Non-Small Cell Carcinoma (NSCC). A Panel Presentation. San Antonio Community Hospital. Upland, California. November 12, 2009. (11/2009)


  • “Urinary retention after operations for benign anorectal diseases”. Presented at 1996     Tripartite Colorectal Meeting, London, England, July 8-10, 1996. (07/1996)
  •  “Anterior resection with wide but not total mesorectal excision for Rectal Cancer: Long term survival and local recurrence rates.” Presented at the Edinburgh International Conference Center, European Council of Coloproctology, Edinburgh, Scotland, June 17-19, 1997. (06/1997)
  • Relevance of Occult Nodal Metastases by Immuno detection in Rectal Cancer: A Case-Control Study. Presented at the Annual Meeting of American Gastroenterological Association and American Association for the Study of Liver Diseases, May 11 14, 1997. (05/1997)
  • “Urinary retention after surgery for benign anorectal diseases.” Presented at the American Society of Colon and Rectal Surgery Meeting, Seattle, Washington, June 9-14, ‘96. (06/1996)
  •  “Surgical treatment of Adenocarcinoma of the Rectum.” Presented at the 109th Southern             Surgical Association Meeting, Hot Spring, Virginia, Nov 30-Dec 3, 1997. (11/1997 - 12/1997)
  • Rectal Haemangioma. Poster Presentation in The Society of Surgeons of the Alimentary Tract Meeting, Digestive Disease Week, New Orleans, 1998. (1998)
  • Do Gender and Body Mass Index Influence the Choice of Operation for Rectal Cancer?” Presented at The American Gastro-enterology Association Annual Meeting, May 16-19, ‘99. (05/1999)
  •  Zaheer S, Ishitani M, Rodeberg D. Gastric diverticulum - A Rare Cause of Abdominal Pain. Presented at the Balfour Symposium, Nov. 2000, at the Mayo Clinic, Rochester, Minnesota. (11/2000)
  • Cinical Score for Predicting Recurrence after Hepatic Resection for Colo-rectal Metastasis. Presented at the Resident Education Day, Feb. 2001, at the Mayo Clinic, Rochester, Minnesota. (02/2001)