Retrospective Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Oct 28, 2018; 24(40): 4586-4595
Published online Oct 28, 2018. doi: 10.3748/wjg.v24.i40.4586
Figure 1
Figure 1 Study inclusion flowchart. HIV: Human immunodeficiency virus; SPM: Second primary malignancy.