Which of the following is the most common hyperplastic childhood breast anomaly?   

During fetal development, failure of the mammary pit to elevate above the skin level results in which of the following deformities? 

A 43-year-old woman brings her 10-day-old daughter for evaluation because she is concerned about the appearance of her daughter’s nipples. The newborn was born at full-term after an uncomplicated pregnancy. Physical examination shows that the newborn has inverted nipples bilaterally. Which of the following is the most appropriate next step in management?

A 16-year-old girl comes to the clinic because she is dissatisfied with the asymmetric appearance of her breasts. Physical examination shows the right nipple-areola complex is more superiorly located and the breast volume is small. There is absence of the right anterior axillary fold. Which of the following other physical examination findings is most likely?

An 18-year-old woman is evaluated for chest wall and breast asymmetry. She has a history of pectus excavatum and underwent surgery as a child for placement of a correction bar, which was subsequently removed 3 years after insertion. Since the removal of the bar, she has noticed progressive recurrence of her chest wall deformity with associated breast asymmetry. Physical examination shows a thin patient with a 4-cm deep concavity involving the lower end of the sternum and medial distortion of the right breast. The patient denies shortness of breath or chest pain. Which of the following treatment options is the most appropriate recommendation for contour improvement?