Abstract
This study aimed to compare the survival of patients with isolated inguinal lymph node metastases from rectal cancer to patients with inguinal and additional synchronous distant metastases from rectal cancer who treated with curative intent. A retrospective review of all consecutive adult patients with rectal adenocarcinoma and inguinal lymph node involvement who underwent curative therapy at our institution from 2002 to 2020 was conducted. Patients were classified as having synchronous inguinal lymph node metastasis (SILNM), or synchronous inguinal lymph node and distant organ metastasis (SILNDOM). Patients in the SILNM group had a median overall survival of 75 months compared to 17.6 months in the SILNDOM group;p-value = 0.09. The recurrence-free survival for patients with SILNM was 19.6 months compared to 2.4 months in the SILNDOM group;p-value = 0.053. In conclusion, SILNM appears to represent a distinct subgroup of patients with metastatic rectal cancer. These patients warrant consideration of treatment with curative intent. Further studies are needed.
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