FFAR4 and obesity due to melanocortin 4 receptor deficiency: In addition, gender and expression levels of other seven obesity-related genes (GPR120, LEP, MC4R, TMEM18, PCSK1, NEGR1, and FTO) could markedly affect survival probability of patients with 11 types of cancer (ACC, KIRC, UVM, ESCA, SKCM, KIRP, BLCA, STAD, CHOL, COAD, and LGG).