The patient was found to have arrested dilation and was typed and screened and consented for a low transverse cesarean section. The
patient was taken to the operating room where she was delivered of a viable male infant with Apgar scores of 8 and 9 and cord blood gas of 7.312 pH.

The left ovarian mass was dissected out. It consisted in appearance of a simple cyst with no surface papillation. It was sent to Pathology for analysis.

	Gross pathology specimen inked blue for margins
	Cut surface of gross specimen
	Microscopic low power image of mass
	Microscopic medium power image of mass
	Microscopic high power image of mass
	Microscopic high power image of mass

1. What is your diagnosis?