GHSR and cancer: Cancer development/progressionRisk:Ghrl SNPs ↔ (2 ) Ghrl haplotypes GGAC and GGAT ↓ Ghsr SNP Gly57Gly Ghrl rs171407-G allele Ghsr rs2948694-GG genotype  Plasma ghrelin ↔Progression:Lymph node involvement: Tissue GHS-R1a peptide ↓, In-1 gene expression Grade: Tissue ex 3-del ghrelin peptide  Survival: Tissue ghrelin peptide level  (3 ), Ghrl rs27647-GG SNP ↓, Ghrl rs3755777-C SNP , In-1 gene expression ↓