Oral Cavity Cancer, also known as malignant neoplasm of floor of mouth, is related to oral squamous cell carcinoma and oropharynx cancer. An important gene associated with Oral Cavity Cancer is MIR21 (MicroRNA 21), and among its related pathways/superpathways are MicroRNAs in cardiomyocyte hypertrophy and miRNAs involved in DNA damage response. The drugs Ethanol and Atezolizumab have been mentioned in the context of this disorder. Affiliated tissues include lymph node and nk cells.