Experiment with any fruits you have on hand. Try bananas, pears, pineapples, grapes, mandarin segments, whatever strikes your fancy. If you’re in chemo, either wash the fruit very well, or use fruits that you have to peel, like bananas, pineapple, or mandarins. Be sure to wash them before cutting.
Melting chocolate doesn’t require any fancy equipment, just a non-reactive bowl that will fit over a pan of simmering water.