Kuna sehemu mbili ambazo mbavu zinakutana mbele kifuan (esternal porcion)na mgongoni(vertebral region) so wap ndo kunauma? Maumivu hayo yapo Vip na upumuaji ukivuta hewa ndani na ukitoa nje je inakuaje? Na yanatembea (radiate ) na Kama ndio je ni kuelekea upande gan? Kulia au kushoto?So ukijibu maswali hayo ndugu yangu naweza kukushauri coz majibu hayo do yana determine what you may probably have