 If the India ink tattoo site is surgically excised as part of standard care for the treatment of the tumor, molecular tests may be performed on the excised tissue surrounding the ink injection site to analyze for molecular biomarkers related to hypoxia, angiogenesis, and tumor growth. The tissue analysis will explore the potential for any identifying biomarkers of the tumor that predict or otherwise are associated with variation in tumor growth or responsiveness to therapy. Subjects may choose to opt of this portion of the study. 