Table:
Case no.	Recurrence or metastasis after pancreatic resection	Postoperative observation period (months)
Location	Treatment
1	Bilateral lung	None (BSC)	131a
2	Bilateral lung	IFN + IL-2 + UFT	108a
3	–	–	138
4	–	–	49
5	Bilateral lung	Sunitinib	8
6	–	–	8
7	–	–	3
8	–	–	39
9	Bilateral lung, bone	Dacarbazine	4a

Parse the following content of the image in markdown code: | <ROWSPAN=2> Case no. | <COLSPAN=2> Recurrence or metastasis after pancreatic resection | <ROWSPAN=2> Postoperative observation period (months) | 
 | Location

| Treatment | 
 | --- | --- | --- | --- | 
 | 1 | Bilateral lung | None (BSC) | 131a | 
 | 2 | Bilateral lung | IFN + IL-2 + UFT | 108a | 
 | 3 | – | – | 138 | 
 | 4 | – | – | 49 | 
 | 5 | Bilateral lung | Sunitinib | 8 | 
 | 6 | – | – | 8 | 
 | 7 | – | – | 3 | 
 | 8 | – | – | 39 | 
 | 9 | Bilateral lung, bone | Dacarbazine | 4a |