Hello Sonia

I think the best thing to do would be to speak to the chemotherapy unit about this.  I must admit I would be a little concerned about this too given the position of the PIC and how it could catch on the equipment in the gym.  So I do think it would be sensible for him to speak to the nurses or doctors about it on the chemotherapy unit.  They may feel that its fine if it is covered, but best to check with them.

I hope this helps

Martin