No. I could not eat for many months in the hospital. and was just on IV due to dysphasia, thrush, trismus, face, mouth and digestive tract burns, and lost 110lbs. Then was on a peg for another 10 months or so, and all that was just from chemo, which effects were worse than radiation. I could not eat many foods, most which nauseated me, burned my mouth, made me vomit, choke.

I follow no diet, but most my food is homemade, fresh. and I was just happy to eat and Taste food, which is extensive now, and was able to gain back 60 of the 110 pounds I lost in a few weeks, like two, but took me almost 4 years todo that. When doing treatment, it's best to advise with a nutritionist, dietician before dieting due to all tithe extra nutrients needed, including water, protein. so you don't want to be deficient in any, and it may not be the best time, unless something is dangerous like drinking, smoking, something too much excess. Just eat healthy in portion size controls for you based on the calculations of height, weight, BMI. Stomach, wrist measurement.

I'm with you on the steak! I had a 16oz ribeye, creamed spinach, garlic and sour cream, mashed potatoes, which I cooked, when I was leaving for treatment the next day.

The things you mentioned, lactic acid, sugar, are reportedly mentioned by some places as causing cancers, but is untrue, according to major medical centers and groups.