“…In another study conducted by Yeşilbalkan, Kır, Karadakovan and Uslu (2009), the knowledge of cancer patients about port catheters was insufficient (Yeşilbalkan et al, 2009). Although all members of the healthcare team are responsible for the education of the patients and their family, nurses have great responsibilities (Tan, Özdelikara & Polat, 2013;Kara & Arıkan, 2021). Similarly, according to Mercan's study (2017), port catheter training was important in the patients' compliance with treatment, and nurses, in particular, had important responsibilities.…”