References
- Shiels MS, Kreimer AR, Coghill AE, et al. Anal cancer incidence in the United States, 1977–2011: distinct patterns by histology and behavior. Cancer Epidemiol Biomarkers Prev 2015;24:1548-56
- Grulich AE, Poynten IM, Machalek DA, et al. The epidemiology of anal cancer. Sex Health 2012;9:504-8
- Anwar S, Welbourn H, Hill J, Sebag-Montefiore D. Adenocarcinoma of the anal canal – a systematic review. Colorectal Dis 2013;15:1481-8
- Shridhar R, Shibata D, Chan E, Thomas CR. Anal cancer: current standards in care and recent changes in practice. CA Cancer J Clin 2015;65:139-62
- Benson AB III, Arnoletti JP, Bekaii-Saab T, et al. Anal Carcinoma, Version 2.2012: featured updates to the NCCN guidelines. J Natl Compr Canc Netw 2012;10:449-54
- Amin MB, Edge SB. AJCC Cancer Staging Manual. Springer, 2017
- Siontis GC, Tzoulaki I, Castaldi PJ, Ioannidis JP. External validation of new risk prediction models is infrequent and reveals worse prognostic discrimination. J Clin Epidemiol 2015;68:25-34
- Surveillance, Epidemiology and End Results Program. About the SEER Program. Available at: http://seer.cancer.gov/about [Last accessed 25 June 2016]
- Ranstam J. Multiple small-values and Bonferroni correction. Osteoarthritis Cartilage 2016;24:763-4
- Jones M, Hruby G, Solomon M, et al. The role of FDG-PET in the initial staging and response assessment of anal cancer: a systematic review and meta-analysis. Ann Surg Oncol 2015;22:3574-81
- Abdel-Rahman O. Clinical correlates and prognostic value of different metastatic sites in metastatic renal cell carcinoma. Future Oncol 2017
- Abdel-Rahman O. Clinical correlates and prognostic value of different metastatic sites in patients with malignant melanoma of the skin: a SEER database analysis. J Dermatolog Treat 2018;29:176-181
- Oweira H, Petrausch U, Helbling D, et al. Prognostic value of site-specific extra-hepatic disease in hepatocellular carcinoma: a SEER database analysis. Expert Rev Gastroenterol Hepatol 2017;11:695-701
- Oweira H, Petrausch U, Helbling D, et al. Prognostic value of site-specific metastases in pancreatic adenocarcinoma: a Surveillance Epidemiology and End Results database analysis. World J Gastroenterol 2017;23:1872-1880
- Abdel-Rahman O. Validation of American Joint Committee on Cancer eighth staging system among prostate cancer patients treated with radical prostatectomy. Ther Adv Urol 2017;10:35-42
- Abdel-Rahman O. Validation of the 8th AJCC prognostic staging system for breast cancer in a population-based setting. Breast Cancer Res Treat 2018;168:269-275
- Serup-Hansen E, Linnemann D, Skovrider-Ruminski W, et al. Human papillomavirus genotyping and p16 expression as prognostic factors for patients with American Joint Committee on Cancer stages I to III carcinoma of the anal canal. J Clin Oncol 2014;32:1812-17