Is It Ok To Take A Break From Cancer Chemotherapy?

I Have Just Been Diagnosed With Smouldering Myleoma. I Also Have Appts In January To Have Cataract Surgery. Is It OK To Get Eye Surgery?

IF YOUR ON A PLANT BASED DIET AND 17 MONTHS POST STEM CELL TRANSPLANT I WAS TOLD TO SUPPLEMENT WITH VIT B 12 THORNE VIT B 12 IS THIS OK