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Yazawa T, Hori T, Yamamoto H, Harada H, Yamamoto M, Yamada M, Tani M, Sato A, Kamada Y, Tani R, Aoyama R, Sasaki Y, Zaima M. Do liver metastases from gastric cancer contraindicate aggressive surgical resection? A 14-year single-center experience. World J Gastrointest Pharmacol Ther 2020; 11:110-122. [PMID: 33251035 PMCID: PMC7667407 DOI: 10.4292/wjgpt.v11.i5.110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/27/2020] [Accepted: 09/01/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Advanced gastric cancer (GC) with liver metastasis is often characterized by multiple and bilobular metastases and may also be associated with extrahepatic metastatic lesions. Hence, many physicians consider that radical surgeries are contraindicated for liver metastases from GC (LMGC). According to the 2017 Japanese treatment guideline for GC, a smaller number of liver metastases without unresectable factors may be an indication for liver resection (LR) with curability. The actual 5-year overall survival (OS) rate ranges from 0 to 0.37. AIM To present the institutional indications for LR for LMGC and identify important factors for prognostic outcomes. METHODS In total, 30 patients underwent LR for LMGC during a 14-year period, and we evaluated the clinical, surgical, and oncological findings. In all patients, radical surgery with intentional lymphadenectomy was performed for the primary GC. The median follow-up duration after the initial LR was 33.7 mo, and three patients with no recurrence died of causes unrelated to the LMGC. The OS and recurrence-free survival rates after the initial LR were assessed. RESULTS Seventeen patients had metachronous LMGC. The initial LR achieved curability in 29 patients. Perioperative chemotherapy was introduced in 23 patients. The median greatest LMGC dimension was 30 mm, and the median number of LMGC was two. Twenty-two patients had unilobular LMGC. The 5-year OS and recurrence-free survival rates were 0.48 and 0.28, respectively. The median survival duration and recurrence-free duration after the initial LR were 16.8 and 8.6 mo, respectively. Twenty-one patients developed recurrence after the initial LR. Additional surgeries for recurrence were performed in nine patients, and these surgeries clearly prolonged the patients' survival. Pathological serosal invasion was an independent predictor of a poor prognostic outcome after the initial LR. Aggressive LR may be indicated for carefully selected patients with LMGC. CONCLUSION Our results of LR for LMGC seem acceptable. Additional surgeries for recurrence after the initial LR might prolong OS. Pathological serosal invasion is important for poor prognostic outcomes.
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Affiliation(s)
- Takefumi Yazawa
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Tomohide Hori
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Hidekazu Yamamoto
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Hideki Harada
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Michihiro Yamamoto
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Masahiro Yamada
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Masaki Tani
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Asahi Sato
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Yasuyuki Kamada
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Ryotaro Tani
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Ryuhei Aoyama
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Yudai Sasaki
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
| | - Masazumi Zaima
- Department of Surgery, Shiga General Hospital, Moriyama 524-8524, Shiga, Japan
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