Regula vein, aery and nerve ("VAN") arrangement: (A) First intercostal space, (B) Second intercostal space, (C) Third intercostal space, (D) Eleventh intercostal space
Answer is A. BD CHAURASIA S HUMAN ANATOMY Vol1 Pg 222 Sixth edition The general arrangement of first intercostal space is vein,aery and nerve(VAN)