Prospective Evaluation of Cornerstone Robotics Sentire Surgical System in Major Gastrointestinal and Urologic Surgery

General Inclusion Criteria for All Procedures: * Body mass index \<35 kg/m2 * Suitable for the listed minimally invasive surgical procedures for treatment of respective diseases * Willingness to participate as demonstrated by giving informed consent General Exclusion Criteria for All Procedures: * Contraindication to general anesthesia * Severe concomitant illness that drastically shortens life expectancy or increases risk of therapeutic intervention * Untreated active infection * Noncorrectable coagulopathy * Presence of another malignancy or distant metastasis * Emergency surgery * Vulnerable population (e.g., mentally disabled, pregnancy) Robotic Colorectal Resection Inclusion Criteria: \- Adenocarcinoma or large adenoma (not amenable to endoscopic removal) located at the colorectum (from the cecum to the anal verge) amenable to minimally invasive surgery Exclusion Criteria: * T4 tumor * Recurrent tumor * Extensive previous abdominal surgery precluding minimally invasive surgery Robotic Transanal Total Mesorectal Excision Inclusion Criteria: \- Mid/low rectal adenocarcinoma located \<12 cm from the anal verge Exclusion Criteria: * T4 tumor or involvement of circumferential resection margin even after neoadjuvant therapy * Tumor requiring multivisceral resection * Tumor requiring abdominoperineal resection; recurrent rectal tumor * T1 tumor that can be treated by local excision * Extensive previous abdominal surgery Robotic Rectopexy Inclusion Criteria: * Clinically diagnosed with previously untreated and uncomplicated rectal prolapse or enterocele Exclusion Criteria: \- Extensive previous abdominal surgery precluding minimally invasive surgery Radical Prostatectomy Inclusion Criteria: \- Clinically diagnosed with nonmetastatic adenocarcinoma of prostate Exclusion Criteria: \- Previous history of prostate surgery (e.g., transurethral resection of prostate) Total or Partial Nephrectomy Inclusion Criteria: \- Clinically diagnosed with nonmetastatic kidney cancer Exclusion Criteria: * Previous ipsilateral kidney surgery * Complex kidney anatomy (e.g., horseshoe kidney, complex renal vascular anatomy) Radical Cystectomy Inclusion Criteria: \- Clinically diagnosed with nonmetastatic bladder cancer Robotic Esophageal Hiatal Surgery and Fundoplication Inclusion Criteria: \- Clinically diagnosed with Hiatal Hernia and / or Gastroesophageal reflux disease amendable to fundoplication Exclusion Criteria: \- Previous history of laparotomy precluding minimally invasive surgery Robotic Gastrectomy Inclusion Criteria: \- Clinical diagnosis of gastric tumor (Adenocarcinoma or Gastrointestinal Stromal Tumor (GIST)) amendable to minimally invasive radical gastrectomy Exclusion Criteria: \- Previous history of laparotomy precluding minimally invasive surgery Robotic Esophagectomy Inclusion Criteria: \- Clinical diagnosis of carcinoma of esophagus amendable to minimally invasive esophagectomy Exclusion Criteria: \- Esophageal carcinoma after definitive chemoradiotherapy and indicated for salvage esophagectomy Robotic Cholecystectomy Inclusion Criteria: \- Symptomatic gallbladder stones clinically indicated for laparoscopic cholecystectomy Exclusion Criteria: * Acute cholecystitis * Previous history of abdominal surgery