1. A stereoscopic endoscope system comprising: a stereoscopic endoscope comprising: a right image pickup sensor configured to acquire a right eye image for generating a stereoscopic image; a left image pickup sensor configured to acquire a left eye image for generating the stereoscopic image; a right memory configured to store: right eye image correction information for correcting the right eye image; and right identification information identifying that what is stored by the right memory is the right eye image correction information; a left memory configured to store: left eye image correction information for correcting the left eye image; and left identification information identifying that what is stored by the left memory is the left eye image correction information; a right output interface circuit configured to output a right output comprising one of: a first identification information/image set comprising: the right eye image; and one of: a first set comprising: the right eye image correction information; and the right identification information; and a second set comprising: the left eye image correction information; and the left identification information; and a second identification information/image set comprising: the left eye image; and the other of: the first set; and the second set a left output interface circuit configured to output a left output comprising the other of: the first identification information/image set; and the second identification information/image set; and an identification information combining circuit configured to process at least one of: the right output to generate one of: a first combined image comprising the right image and the right identification information, based on the first identification information/image set; a second combined image comprising the right image and the left identification information, based on the first identification information/image set; a third combined image comprising the left image and the right identification information, based on the second identification information/image set; and a fourth combined image comprising the left image and the left identification information, based on the second identification information/image set; and the left output to generate one of: a fifth combined image comprising the left image and the left identification information, based on the second identification information/image set; a sixth combined image comprising the left image and the right identification information, based on the second identification information/image set; a seventh combined image comprising the right image and the right identification information, based on the first identification information/image set; and a eighth combined image comprising the right image and the left identification information, based on the first identification information/image set.