EDITORIAL

1. Understanding the immunopathogenesis of COVID-19: Its implication for therapeutic strategy

OPINION REVIEW

1. What is the gut feeling telling us about physical activity in colorectal carcinogenesis?

REVIEW

1. Latest developments in chronic intestinal pseudo-obstruction

ORIGINAL ARTICLE

1. Correlation between ductus venosus spectrum and right ventricular diastolic function in isolated single-umbilical-artery foetus and normal foetus in third trimester
2. Clinical efficacy of integral theory–guided laparoscopic integral pelvic floor/ligament repair in the treatment of internal rectal prolapse in females
3. Treatment of Kümmell’s disease with sequential infusion of bone cement: A retrospective study
4. Application value analysis of magnetic resonance imaging and computed tomography in the diagnosis of intracranial infection after craniocerebral surgery
5. Focal intrahepatic strictures: A proposal classification based on diagnosis-treatment experience and systemic review
6. Preliminary analysis of the effect of vagus nerve stimulation in the treatment of children with intractable epilepsy
7. Scoring system for poor limb perfusion after limb fracture in children
8. Overexpression of CD155 is associated with PD-1 and PD-L1 expression on immune cells, rather than tumor cells in the breast cancer microenvironment
9. Application of computer tomography-based 3D reconstruction technique in hernia repair surgery
10. Effect of methylprednisolone in severe and critical COVID-19:Analysis of 102 cases
11. Genetic diagnosis history and osteoarticular phenotype of a nontransfusion secondary hemochromatosis
12. Abdominal ventral rectopexy with colectomy for obstructed defecation syndrome: An alternative option for selected patients
13. Surgical treatment of multiple magnet ingestion in children: A singlecenter study
14. Efficacy and economic benefits of a modified Valsalva maneuver in patients with paroxysmal supraventricular tachycardia

CASE REPORT

1. Duodenal giant stromal tumor combined with ectopic varicose hemorrhage: A case report
2. Healthy neonate born to a SARS-CoV-2 infected woman: A case report and review of literature
3. Pleomorphic adenoma of the trachea: A case report and review of the literature
4. Neoadjuvant targeted therapy for apocrine carcinoma of the breast:A case report
5. Huge encrusted ureteral stent forgotten for over 25 years: A case report
6. Roxadustat for treatment of erythropoietin-hyporesponsive anemia in a hemodialysis patient: A case report
7. Suspected SARS-CoV-2 infection with fever and coronary heart disease: A case report
8. Interpersonal psychotherapy-based psychological intervention for patient suffering from COVID-19: A case report
9. Optical coherence tomography angiography characteristics in Waldenström macroglobulinemia retinopathy: A case report
10. Fourty-nine years old woman co-infected with SARS-CoV-2 and Mycoplasma: A case report
11. Endoscopic fenestration in the diagnosis and treatment of delayed anastomotic submucosal abscess: A case report and review of literature
12. Small-cell neuroendocrine carcinoma of the rectum — a rare tumor type with poor prognosis: A case report and review of literature
13. Laparoscopic left lateral sectionectomy in pediatric living donor liver transplantation by single-port approach: A case report
14. Malignant meningioma with jugular vein invasion and carotid artery extension: A case report and review of the literature
15. Neuronal intranuclear inclusion disease mimicking acute cerebellitis: A case report
16. Hemophagocytic lymphohistiocytosis caused by STAT1 gain-offunction mutation is not driven by interferon-γ: A case report
17. Single door laminoplasty plus posterior fusion for posterior atlantoaxial dislocation with congenital malformation: A case report and review of literature
18. Occipital nodular fasciitis easily misdiagnosed as neoplastic lesions: A rare case report
19. Postoperative secondary aggravation of obstructive sleep apneahypopnea syndrome and hypoxemia with bilateral carotid body tumor: A case report
20. Uncontrolled central hyperthermia by standard dose of bromocriptine: A case report
21. Acute celiac artery occlusion secondary to blunt trauma: Two case reports
22. Multiple ectopic goiter in the retroperitoneum, abdominal wall, liver,and diaphragm: A case report and review of literature
23. Symptomatic and optimal supportive care of critical COVID-19: A case report and literature review
24. Primary breast cancer patient with poliomyelitis: A case report
25. Discontinuous polyostotic fibrous dysplasia with multiple systemic disorders and unique genetic mutations: A case report
26. Novel triple therapy for hemorrhagic ascites caused by endometriosis: A case report