Fig. 2From: Obesity promotes lipid accumulation in lymph node metastasis of gastric cancer: a retrospective case‒control studyOil red O staining of lipids in human tissue samples. a Detection of lipids in human tissue samples by oil red O staining. Scale bar = 10 µm. Neutral lipids in tissues were dyed red. b Expression levels of CD36, LPL, FASN, and CPT1A in forty tumor tissues (N0 = 15, N + = 25) by qRT‒PCRBack to article page