Neoplastic Process
rectal neoplasm
rec·tal ne·o·plasm [ rek-tl nee-uh-plaz-uhm ]
Subclass of:
Colorectal Neoplasms
Definitions related to rectal neoplasms:
  • A benign or malignant neoplasm that affects the rectum. Representative examples of benign neoplasms include lipoma and leiomyoma. Representative examples of malignant neoplasms include carcinoma, lymphoma, and sarcoma. Rectal adenomas always exhibit epithelial dysplasia and are considered premalignant neoplasms.
    NCI
    U.S. National Cancer Institute, 2021
  • (rectum neoplasm) New abnormal rectal or anal tissue that grows by excessive cellular division and proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Tumors or cancer of the RECTUM.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.