Metabolic Biomarkers of Squamous Cell Carcinoma of the Aerodigestive Tract: A Systematic Review and Quality Assessment

Figure 3

Proportion of identified compounds in each ASCC, LSCC, OSCC, and HNSCC in different sample types. Key: ASCC: aerodigestive squamous cell carcinoma; OSCC: oesophageal squamous cell carcinoma; LSCC: lung squamous cell carcinoma; HNSCC: head and neck squamous cell carcinoma; BCAA: branched chain amino acid.