How would you manage these three lesions on the mid-back?

In this week's case discussion, submitted by Dr David Stewart, we look at a 49-year-old male with a strong family history of melanoma (father, uncle, brother). The patient has had multiple excision biopsies in the past.

He presents for a routine skin check and states that he has never liked the look of the "Orion's belt" of three moles on his mid-back. 

Please see clinical and dermoscopic images below. Which of these three lesions would you excise, and why?

Clinical image:

Left lesion dermoscopic image:

Middle lesion dermoscopic image:

Right lesion dermoscopic image:

Please leave your comments today and check back for the outcome from Wednesday 2pm AEDT.

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