Table 3.

Follow-up statuses for patients who received different treatments.

Treatment	No.	Strategy	Follow-up status
Surveillance	2	1/2: NSAIDs + morphine	The mass grew from 4 to 4.2 cm over a 6-month period.
		1/2: surveillance	The mass remained stable over a 36-month period.
Surgery	11	3/11: partial resection	Recurrence after 6 years.
		8/11: complete resection	No recurrence.
Systemic therapy	3	3/3: gemcitabine	At 6 months, the three cases involved a stable mass, shrinkage from 5 to 3 cm, and shrinkage from 10 to 8 cm.