Thorax : Symmetrical, anteroposterior : lateral-diameter 1:2 or 5:7 (A-P diameter not increased ) normal contour, no deformity of bone or iracture of ribs, chest wall movement RT=L>t regularities in rhythm of respiratory, no abnormal retraction and buling of intercostal space, no tenderness, no mass, no axillary adenopathy
Lungs : Lung expansion Rt = Lt (good excursion) fremitus equal bilaterally (หรือ increased,decreased, absent) lung fields resonance throughout in normal level Rt = Lt,