Fig. 1

Comparison of normalized deep UV fluorescence spectra acquired using 275 nm excitation wavelength for Control and global Metastasis group (a) and for Control and each organ of origin metastasis group (b). Tryptophan (red) + Collagen (green) Fluorescence images of an endocrine system metastasis sample (c), lung metastasis sample (d) and a control sample (e), where the scale white line represents a 100 μm length.