You would report whatever part you considered suspicious. Based on your example, only the cash sounds suspicious, unless there is some pattern of odd activity with the checks as well and someone thinks checks fall under the same guidelines as cash.
But still at the end of the day, you're reporting suspicious activity, no reason to include the rest in your total, and if anything I'd only include it in the narrative if it seemed at all relevant.
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Someone's about to get horned!