pT4aN1M0 is stage IIIA gastric cancer, and the staging of gastric cancer is based on TNM staging, T refers to the size of the tumor and the scope of involvement, N staging refers to the regional lymph node metastasis, and M refers to the presence of distant metastasis, and the treatment methods are also different according to different staging. In the early and middle stages, we should try our best to treat the tumor by surgery, and cooperate with chemotherapy and radiotherapy according to the condition, while in the late stage, we usually give systemic chemotherapy as the main treatment.
1. According to the seventh edition of AJCC TNM staging criteria, T4a tumor penetrates the plasma membrane, N1 refers to 1~2 regional lymph node metastasis, M0 refers to the absence of distant metastasis, and the combination of pT4aN1M0 is stage IIIA.
2. pT4aN1M0 is stage IIIA gastric cancer, which is middle stage gastric cancer. If the patient’s status permits, it is recommended to have surgery and postoperative adjuvant chemotherapy. The specific treatment plan should be adopted by the doctor according to the patient’s specific situation. pT4aN1M0 is the pathological stage, which can be clearly diagnosed. Specialized doctors should clarify the diagnosis and guide the treatment to avoid delaying the condition.