"Democrats Will Never Learn"
"New quantum paradox throws the foundations of observed reality into question"

"How has chemotherapy evolved in the last 20 years? Is it more effective and does it have fewer side effects/discomforts than before?"

Short answer: chemotherapy isn't better, but immunotherapy shows terrific promise.

Metastatic HER2 positive breast cancer used to have a life expectancy of 2 years. Now there is no limit. I have patients with stage 4 HER2 positive breast cancer surviving going on 15 plus years.

See also "Has chemo ever actually cured a person to the extent that the cancer never returns? It seems like it just buys time."