Intravenous administration of chemotherapy is the conventional method of delivery. However, several issues arise with this method, including insufficient drug penetration into the tumor tissue. Intratumoral injections of immunotherapies directly into the tumor have been a possible solution to this problem, and, according to a recent study, results of which are published in JAMA Network Open, this technique has been found to be a viable option for a variety of histological conditions and target o...