Oncology nurses play an integral role in communication with patients through documenting records in the electronic health record system every institution utilizes. The team considering you is hoping to hear that you are well versed in working in an EHR system and want to get a feel for which ones you are familiar with. Talk openly about all of the systems you have direct experience working with, while highlighting your ability to learn new systems quickly, and adapt to new ways of documenting patient care. Keeping in mind that a vital part of the EHR in cancer care involves chemotherapy and other drug administration, make sure to highlight your past experience in this realm.