Clinical Research Directory

Inclusion Criteria: * Individuals who were diagnosed with renal tumor and undergo robot-assisted partial nephrectomy * The diameter of renal tumor is 7cm or below * Individuals aged between 19 and 80 * Individuals who, before participating in the clinical trial, undergo an interview in a separate place, understand sufficient explanation of the purpose and content of the trial, and voluntarily sign informed consent form Exclusion Criteria: * Individuals with solitary kidney or horseshoe kidney * Individuals undergo bilateral nephrectomy * Individuals undergo operation other than partial nephrecotmy * Individuals with a history of abdominal surgery and are expected to have severe intra-abdominal adhesion influencing the surgical outcomes * Individuals with severe chronic kidney disease (eGFR \< 45, calculated with EPI-CKI equation) * Individuals with American society of anesthesiologists physical status classification (ASA) IV-VI * Individuals with a history of psychosis, alcohol abuse or are expected not to adhere to the schedule of the clinical study * Individuals who were participated in other clinical study within 4 weeks of screening * Individuals who are thought to be inappropriate to participate to the clinical trial by the investigators