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adenocarcinoma

American  
[ad-n-oh-kahr-suh-noh-muh] / ˌæd n oʊˌkɑr səˈnoʊ mə /

noun

Pathology.

plural

adenocarcinomas, adenocarcinomata
  1. a malignant tumor arising from secretory epithelium.

  2. a malignant tumor of glandlike structure.


adenocarcinoma British  
/ ˌædɪnəʊˌkɑːsɪˈnəʊmə /

noun

  1. a malignant tumour originating in glandular tissue

  2. a malignant tumour with a glandlike structure

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • adenocarcinomatous adjective

Etymology

Origin of adenocarcinoma

First recorded in 1885–90; adeno- + carcinoma

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Combined with chemotherapy in a Phase 3 trial, the drug Ziihera showed clinically meaningful improvements in progression-free survival for patients with gastroesophageal adenocarcinoma, or GEA.

From Barron's • Nov. 17, 2025

Jenks moved to Portugal last year and had been receiving treatment for adenocarcinoma, a form of stomach cancer.

From BBC • Jul. 6, 2025

Jenks has been diagnosed with Stage 4 adenocarcinoma, a form of stomach cancer.

From Los Angeles Times • Mar. 20, 2025

In 2019, a review by the American College of Sports Medicine found that regular physical activity significantly reduced the risk of bladder, breast, colon, endometrial, esophageal adenocarcinoma, kidney and stomach cancers.

From Seattle Times • Feb. 12, 2024

Rather, the article said, it was “a very aggressive adenocarcinoma of the cervix,” meaning it originated from glandular tissue in her cervix instead of epithelial tissue.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot