Which type of breast change is least likely to warrant evaluation?

Temporary swelling in the breast can often be attributed to benign conditions such as hormonal fluctuations, menstrual cycles, or even physical activity. This type of breast change is usually not associated with serious underlying issues and is typically self-resolving. Unlike more concerning changes such as new lumps or skin irritations, which may indicate potential pathological conditions, temporary swelling does not usually require further evaluation unless it persists or is accompanied by other worrying symptoms.

On the other hand, skin irritation, new lumps, and dimpling of the skin are changes that are more indicative of possible underlying problems, such as infections, cysts, or malignancies. These issues often warrant further diagnostic evaluation to ensure that no serious conditions are present. Therefore, temporary swelling is not as concerning as the other changes listed and is the least likely to necessitate further investigation.