Research opportunities for vascular endothelial growth factor receptor and Ki67 relative percentage co-reduction in patients with locally advanced rectal cancer treated with neoadjuvant therapy
1 Department of Oncology, Hospital General Universitario Gregorio Marañón, Madrid, Spain; School of Medicine Complutense University, Madrid, Spain; Institute for Sanitary Research, Hospital General Universitario Gregorio Marañón, Madrid, Spain.