Thank you for your extensive caring  post🥰 My ex has had chemo and radio for 5 weeks prior to his surgery. He turned yellow, and very pale grey too, as the treatment affected his blood and liver. He just sat in his chair, all day, or slept. The worst side effect was his spirit.. He lot all interest in current affairs, human interactions, his family visiting. It's like the treatment drained his spirit to the point of having nothing to give and nothing to get. You're Mum sound similarly defeated and exhausted. At least in our case, my ex's tiredness and mental and emotional exhaustion had nothing to do with the cancer spreading (It did not spread or grow in that time). So perhaps it is the therapy ...the cancer helpline Australia 131120 might tell you? I don't know if you can access it from overseas.... ... View more