Ultrasound criteria for shallow T2 gallbladder carcinoma ― comment on Sugimoto M et al. a simple method for diagnosing gallbladder malignant tumors with subserosal invasion by endoscopic ultrasonography. BMC cancer. 2021; 21: 288

Key Points

• This research aims to evaluate a simple ultrasound method for diagnosing gallbladder malignant tumors with subserosal invasion.
• Endoscopic ultrasonography was used to assess gallbladder tumors.
• Focus on tumors with subserosal invasion for diagnosis.
• Enhanced detection of gallbladder malignant tumors with subserosal invasion was achieved using the proposed method.