<qa>  What is the most appropriate period of time for the IMP or systemic anticancer treatment1. Have received or are receiving an investigational medicinal product IMP or other systemic anticancer treatment within 4 weeks prior to the first dose of study treatment, or within a period during which the IMP or systemic anticancer treatment has not been cleared from the body e.g. a period of 5 half-lives, whichever is the most appropriate and as judged by the investigator. 