MPPE1 and head and neck squamous cell carcinoma: Similar findings have been made in hepatocellular carcinoma (49), and the presence of DCs in breast tumors (11), along with the ratio of CD103+ cDC1 to CD103− DCs in breast cancer, head and neck squamous cell carcinoma (HNSCC), and lung adenocarcinoma (4), have all been shown to correlate with improved patient prognosis.