Table 1.

Reported cases of thymoma with chest pain in Japanese literatures

Case	Author	Year	Age	Gender	Chest pain	Pleural effusion	Adhesion	Combined resection	Necrosis	Cysts	WHO type	Masaoka's stage
1	Ito [5]	2006	25	M	+	+	Present	RUL	+	Not listed	Type B1	I
2	Sato [6]	2010	24	M	+	+	Present	LUL	+	Pseudocysts	Type B2	II
3	Misawa [7]	2011	63	M	+	+	Present	−	+	MTCs	Type B2	II
4	Takasaki [2]	2012	46	M	+	+	Present	Pericardium	+	Not listed	Type B2	II
5	Toyokawa [8]	2014	28	M	+	+	−	−	−	MTCs	Type B2	I
6	Shiiya [3]	2015	53	M	+	+	−	−	+	Not listed	Type AB	II
7	Kataoka [9]	2015	52	F	+	+	Present	−	+	Not listed	Type B1	I
8	Yasukawa [10]	2017	71	F	+	+	Present	RUL, pericardium, brachiocephalic vein	+	Not listed	Type AB	I
9	Our case	2020	49	M	+	−	Present	LUL, phrenic nerve, brachiocephalic vein	+	MTCs	Type B2	II

RUL right upper lobe, LUL left upper lobe, MTCs multilocular thymic cysts