Illnesses dont come with warnings, they only remind us how much human we are inside and need regular checkups.
Having to live with such a condition and tolerating the adverse effects of diuretics to dry the edema fluids is tough and the mental toll of having a chronic disease which has caused the loss of a family member is in simple words, tough.
Wishing you an early recovery and an early merry Christmas, I will send you some bitcoin as a donation hoping to see your surgery go through safely and recovering back in full form.
Here is my humble donation of 0.01 bitcoin -
https://explorer.btc.com/btc/transaction/f4a11caa9f2b1bbe69de0c059b64a4efdb3f1f816fe71f5eab2caa724bbe8876