|Adenocarcinoma is a type of cancer that originates in the Glandular cells, that forms lining in certain internal organs. These cells are responsible or secretating certain subtances and releasing them into their respective organs. These cancers are generally found to affect the epithelial cells. The most common adenocarcinoma are found in organs like lungs, prostate glands, esophageal, colorectal regions. Peer review refers to the work done during the screening of submitted manuscripts and funding applications. This process encourages authors to meet the accepted standards of their discipline and reduces the dissemination of irrelevant findings, unwarranted claims, unacceptable interpretations, and personal views. Publications that have not undergone peer review are likely to be regarded with suspicion by academic scholars and professionals.