ERBB4 and adenocarcinoma: Figure 4 shows confocal Raman spectroscopy analysis of the human adenocarcinoma cell line (invasive ductal cancer (AU565)), receptor expression: epidermal growth factor (EGF), Oncogene: her2/neu+ (overexpressed); her3+; her4 +; p53+), microscopy image, Raman image from the cluster analysis: nucleus (red), endoplasmic reticulum (blue), lipid droplets (orange) cytoplasm (green), mitochondria (magenta), cell border (light grey), area out of the cell (dark grey), at the 532 nm wavelength excitation.