You want to get your vitamin D (25-OH vitamin D) levels tested at least twice per year to get and keep your levels over 50 ng/ml
Since radiotherapy is generally applied in a course of multiple fractions, cancer cells that survived after initial cycles acquire resistance through multiple cellular mechanisms including activation of NF-B, phosphatidylinositol 3-kinase (PI3K), protein kinase B (Akt), mammalian target of rapamycin (mTOR), and become less responsive to the later cycles of radiotherapy and/or chemotherapy (Baskar et al., 2014)
Study patients were in Class A and B of the ChildPugh score, and patients had similar values of age, sex, BMI, SBP, DBP, serum albumin, ALT, AST, and creatinine, as well as ChildTurcottePugh scores among the groups at Week 0 and 12
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