Which client would most likely require placement of an implantable port?

a) A 58-year-old woman with stage 3 breast cancer requiring weekly chemotherapy.
b) An 18-year-old man s/p gunshot wound in the ICU requiring multiple blood transfusions.
c) A 12-year-old girl with sickle cell anemia requiring frequent pain medication administration.
d) A 45-year-old man with a history of colon cancer that is currently in remission.