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. 2021 Feb 24;5:CCI.20.00108. doi: 10.1200/CCI.20.00108

FIG 1.

FIG 1.

OncoTree homepage and tree structure. All cancer types are represented by a node on the tree. All subclassifications are connected to parent nodes through branches. The location of the cancer is based on the cell of origin and histologic architecture. Although all melanomas fall under the main type Melanoma, the location of each cancer on the tree is based on the organ of tumor origin. In this case, Mucosal Melanoma of the Esophagus is located under the Esophagus/Stomach node; Uveal Melanoma is located under Ocular Melanoma, which itself is nested under the Eye node; and Cutaneous Melanoma is located under Melanoma, which itself is nested under the Skin node. This structure of the tree allows connecting nodes across branches on the basis of histology.