User profiles for George Chang

George Chang

Professor of Surgical Oncology and Health Services Research, University of Texas MD …
Verified email at mdanderson.org
Cited by 24601

Macromodel—an integrated software system for modeling organic and bioorganic molecules using molecular mechanics

…, M Lipton, C Caufield, G Chang… - Journal of …, 1990 - Wiley Online Library
An integrated molecular modeling system for designing and studying organic and bioorganic
molecules and their molecular complexes using molecular mechanics is described. The …

Effect of laparoscopic-assisted resection vs open resection of stage II or III rectal cancer on pathologic outcomes: the ACOSOG Z6051 randomized clinical trial

…, V George, M Abbas, WR Peters, D Maun, G Chang… - Jama, 2015 - jamanetwork.com
Importance Evidence about the efficacy of laparoscopic resection of rectal cancer is
incomplete, particularly for patients with more advanced-stage disease. Objective To determine …

[HTML][HTML] Improved survival in metastatic colorectal cancer is associated with adoption of hepatic resection and improved chemotherapy

S Kopetz, GJ Chang, MJ Overman, C Eng… - Journal of clinical …, 2009 - ncbi.nlm.nih.gov
Purpose Fluorouracil/leucovorin as the sole therapy for metastatic colorectal cancer (CRC)
provides an overall survival of 8 to 12 months. With an increase in surgical resections of …

An internal-coordinate Monte Carlo method for searching conformational space

G Chang, WC Guida, WC Still - Journal of the American Chemical …, 1989 - ACS Publications
An internal coordinate, random-search method for finding the low-energy conformations of
organic molecules is described. The search is biased toward the low-energy regions of …

Lymph node evaluation and survival after curative resection of colon cancer: systematic review

GJ Chang, MA Rodriguez-Bigas… - Journal of the …, 2007 - academic.oup.com
Background Adequate lymph node evaluation for cancer involvement is important for prognosis
and treatment of patients with colon cancer. The number of lymph nodes evaluated may …

Increasing disparities in the age-related incidences of colon and rectal cancers in the United States, 1975-2010

…, JM Skibber, SB Cantor, GJ Chang - JAMA …, 2015 - jamanetwork.com
Importance The overall incidence of colorectal cancer (CRC) has been decreasing since
1998 but there has been an apparent increase in the incidence of CRC in young adults. …

Conformations of cycloheptadecane. A comparison of methods for conformational searching

…, YD Wu, WC Still, M Lipton, G Chang… - Journal of the …, 1990 - ACS Publications
As a test of the effectiveness of various methods for searching the conformational space of
highly flexible molecules, we conducted a series of conformational searches on …

[HTML][HTML] Neoadjuvant treatment response as an early response indicator for patients with rectal cancer

…, S Krishnan, CH Crane, CY Hu, GJ Chang - Journal of clinical …, 2012 - ncbi.nlm.nih.gov
Purpose Neoadjuvant chemoradiotherapy for rectal cancer is associated with improved local
control and may result in complete tumor response. Associations between tumor response …

The role of viral phenotype and CCR-5 gene defects in HIV-1 transmission and disease progression

NL Michael, G Chang, LG Loum, JR Mascola… - Nature medicine, 1997 - nature.com
Cellular entry of human immunodeficiency virus type 1 (HIV-1) requires binding to both CD4
(ref. 1, 2) and to one of the chemokine receptors recently discovered to act as coreceptors 3–…

Predictors of tumor response and downstaging in patients who receive preoperative chemoradiation for rectal cancer

…, MA Rodriguez‐Bigas, BW Feig, GJ Chang… - Cancer, 2007 - Wiley Online Library
BACKGROUND The objective of this study was to identify predictive factors for pathologic
complete response and tumor downstaging after preoperative chemoradiation for rectal cancer…