Rectosigmoid Junction Neoplasm, also known as neoplasm of rectosigmoid junction, is related to rectosigmoid cancer and rectum cancer. An important gene associated with Rectosigmoid Junction Neoplasm is PASD1 (PAS Domain Containing Repressor 1), and among its related pathways/superpathways is Cell surface interactions at the vascular wall. The drugs Capecitabine and Antimetabolites have been mentioned in the context of this disorder. Affiliated tissues include colon and lymph node.