Table 1.

Antibodies used in the study

	Clone	Dilution	Antigen retrieval	Incubation time (min)	Manufacturer
Tryptase	AA1	1:100	Proteinase	60	Novocastra (Leica Biosystems, Germany)
Chymase	CC1	1:100	Citrate	30	LabVision (ThermoScientific, USA)
Estrogen receptor	6F11	1:25	Citrate	60	Novocastra (Leica Biosystems, Germany)
Progesterone receptor	PgR636	1:50	Citrate	60	Dako, USA
Ki67	MIB-1	1:100	EDTA	60	Dako, USA
HER2/neu	PATHWAY4B5				Ventana Medical System Inc., USA