Clinical Research Directory

Inclusion Criteria: 1. Aged between 18 and 75 years. 2. Having undergone elective gastrointestinal surgery for gastrointestinal cancer (histologically confirmed) within the past 24 hours. 3. Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1. 4. Possessing sufficient cognitive ability to understand the study protocol and voluntarily signing a written informed consent form. Exclusion Criteria: 1. Presence of significant barriers to completing postoperative follow-up (e.g., severe sensory/cognitive impairment, inability to adhere to follow-up plan, lack of reliable contact methods, residence \>6 hours from study center). 2. Concurrent active skin diseases that may affect wound healing (e.g., psoriasis, chronic eczema, atopic dermatitis) located at or near the surgical incision site. 3. History of major abdominal trauma or prior abdominal surgery resulting in abdominal wall deformity or extensive scarring that may affect incision healing or assessment. 4. Current diagnosis of any other uncontrolled severe comorbid conditions (e.g., uncontrolled other malignant tumors, acute or persistent chronic infections) that may pose additional risks or confound study outcomes. 5. Planned or ongoing receipt of any other anticancer treatments (chemotherapy, targeted therapy, biological therapy, radiotherapy) or long-term immunosuppressive therapy during the perioperative period. 6. Current long-term or high-dose use of systemic corticosteroids or any other medications that may significantly affect wound healing (topical/inhaled/low-dose steroids allowed if assessed by investigator).