PLE-8028

A young woman was rushed to the emergency room after suffering from a blunt chest trauma in a vehicular crash. She is dyspneic, with a respiratory rate (RR) of 40 breaths per minute. Breath sounds are markedly diminished on the right side. When inserting a thoracostomy tube, what is the lowermost limit of the parietal pleura at the lateral border of the erector spinae?