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A method in surveying by which the horizontal position of an occupied point is determined by drawing lines from the point to two or more points of known position.
A method of determining a plane-table position by orienting along a previously drawn foresight line and drawing one or more rays through the foresight from previously located stations.
The surgical removal of a section or segment of an organ or other structure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an operation that involves the partial excision of a diseased organ. Amputation is the removal of the peripheral part of an organ, while extirpation is the complete removal of an organ. In surgical practice gastric resections are most frequently performed; pyloric stenoses and stomach cancers or gastric ulcers that are complicated by hemorrhaging often require gastric resections. Resections of the small or large intestine are performed in cases of traumatic ruptures, obstructions, or tumors. An anastomosis is created between the stump of the stomach and the duodenum or jejunum or between the remaining sections of the intestine after gastric or intestinal resections. Resections are also performed on the thyroid gland, lungs, and joints.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Although R0 resection is the treatment of choice, some patients with incidental GBCs diagnosed following cholecystectomy have refused reoperation for corrective surgery.
Patients were excluded from our primary outcome if they received intravesical BCG prior to repeat resection, if pathology reports were inadequate or missing, or if the primary pathology was a variant histology (adenocarcinoma, squamous cell carcinoma or small cell carcinoma).
Evaluation of 300 minimally invasive liver resections at a single institution: less is more.
Oncological quality of resection was established by both the surgeon (for R2 resections) and the pathologist (for R0 or R1 resections).
[7] Various treatment algorithms have been incorporated into international guidelines, but common to most is that, when possible, surgical resection of the primary lesion and its metastases offers the best survival benefit for patients.
Polyps found during colonoscopy are routinely removed using snare polypectomy; however, larger and sessile or flat lesions are preferably removed by endoscopic mucosa resection (EMR), endoscopic submucosal dissection (ESD), or transanal endoscopic microsurgery (TEM).
Between June 2017 and January 2018, a total of eleven consecutive patients underwent pancreatic resections with venous reconstruction by the falciform ligament for extended pancreatic tumor disease at our institution; among them five patients underwent pylorus-preserving pancreaticoduodenectomy (PPPD), two patients received a pylorus preservation total pancreatectomy, two patients received a distal pancreatectomy with splenectomy, and two patients required an Appleby procedure in order to achieve radical tumor removal.
The hemangioma of liver was the only benign tumor in which resections were done.
More than 25% of all patients with Crohn disease (CD) require surgical resection in their lifetime.
Conclusion: Tumour depth, lymph node metastasis, postoperative carcinoembryonic antigen levels, complete tumour response on histopathology were found to be responsible for metachronous liver metastases in rectal cancer patients following curative resection.