During inspection of a patient's upper back, the nurse notices three small, elevated superficial lesions filled with purulent fluid. How does the nurse document this finding?

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Pustules are elevated, superficial lesions similar to vesicles but filled with purulent fluid. This is a specific documentation of what the nurse saw (three pustules) and their location (upper back). Cysts are elevated, circumscribed, encapsulated lesions. Bullae are vesicles greater than 1 cm in diameter. This documentation is not specific to the number or exact location. Wheals are elevated irregular-shaped areas of cutaneous edema that are solid, transient, and of variable diameter.

During Inspection of a Patient's Upper Back, the Nurse Notices