Chemotherapy and resection for gastric cancer with synchronous liver metastases

Table 2 Response evaluation after first two courses of preoperative chemotherapy

No. of cases	Diameter of metastases (mm3)		Evaluation of response (according to RECIST)	Adverse events grade
	Pre-chem	Post-chem
1	128	0-10	CR	2
2	135	56	PR	3
3	188	65	PR	1
4	64	22	PR	2
5	48	24	PR	2
6	148	38	PR	1
7	205	83	PR	1
8	162	65	PR	2
9	78	30	PR	2
10	228	94	PR	3
11	206	108	PR	2
12	144	56	PR	1
13	67	41	PR	1
14	104	67	PR	3
15	163	103	PR	2
16	134	92	PR	3
17	88	61	PR	3
18	225	134	PR	2
19	143	96	PR	2
20	78	43	PR	3

When the number of liver lesions was > 5, the diameters of the five largest lesions were summed. RECIST: Response evaluation criteria in solid tumors; CR: Complete response; PR: Partial response; Pre-chem: Pre-chemotherapy; Post-chem: Post-chemotherapy.