当前课程知识点：Surgery > Bone Tumors > Bone Tumors > Urinary Tract Obstruction
-Diseases of the Breast Section 1
-Diseases of the Breast Section 2-1
-Diseases of the Breast Section 2-2
-Diseases of the Breast Section 3
-Diseases of the Breast Section 4-1
-Diseases of the Breast Section 4-2
-Disease of the Breast
-Rib Fracture and Hemothorax
-Thoracis Empyema
-Lung Cancer
-Carcinoma of Esophagus
-Primary Mediastinal Tumors
-Cardiac Surgery a brief introduction
-Cardiac Surgery a brief introduction
-Colorectal Tumor
-Appendix
-Anorectal Disease
-Gastric Cancer
-Malignant Liver Tumor
-Pancreas
-Peripheral Arterial Disease 1
-Peripheral Arterial Disease 1
-Vascular Disease
-Urinary Tract Injury
-Urolithiasis and Genitourinary Thberculosis
-Urolithiasis and Genitourinary Thberculosis
-Urinary Tract Obstruction
-Urologic Tumors and Other Urologic Diseases
-Urologic Tumors and Other Urologic Diseases
-Fracture Introduction
-The Bone and Joint Injury of Upper Limbs
-The Bone and Joint Injury of Upper Limbs
-Hand Injury
-Lower Extremity Fractures and Dislocations
-Lower extremity Fractures and Dislocations
-Fracture of the Spine and Pelvis
-Fracture of the Spine and Pelvis
-Peripheral Nerve Injury
-Chronic Damage of Locomotion System
-Chronic Damage of Locomotion System
-Pyogenic Infection of Bone and Joint
-Pyogenic Infection of Bone and Joint
-Non Suppurative Osteosarthritis
-Non Suppurative Osteosarthritis
-Bone Tumors
