One of the most experienced and trusted oncology practices in Niagara County has added services and resources through a new affiliation with Roswell Park Comprehensive Cancer Center. With Roswell Park Oncology P.C.’s acquisition of Cancer Care & Hematology of Niagara, the oncology practice that Mohamed S. Ahmed, MD, PhD, has led since 2008 will operate under the name Roswell Park Hematology Oncology of Niagara.