Recovering from multiple surgeries including sepsis

Background:
I have been an avid lifter and gym rat most of my life, I am almost 60 but was benching way over 300 and curling 150 when I was in 50s. I had to stop when Covid hit due to the susceptibly of my wife to dying. I haven’t really been the same since, being strong was always important to me, and the gym was shrink.

On cardio, i circuit trained and walked. I hate it.

In 22 shite hit the fan, they found a stomach tumor, i broke my leg etc. After chemo I had it removed at MD Anderson in March. I was doing great walking 5 miles a day not yet back to lifting but ok. Then I was hospitalized with a rare strep C blood infection and nearly died and had to have emergency lamenectmy to drain the huge abscess on my spine. I just got off my iv antibiotics and I am starting to feel better, but I have no endurance.

Any ideas on how to get back into it appreciated.