Most melanomas are present in the skin. However, mucosal melanomas occur in the mucous membranes, such as the eyes, mouth, gastrointestinal tract, anus, or vagina. Melanoma is a type of skin cancer ...
Left is a section of appendix following introduction of Bacteroides fragilis; right is a section of appendix following introduction of B. fragilis plus Bacillus Subtilis. B. fragilis alone results in ...