The ‘triangle of Safety’

The triangle of safety is bordered anteriorly by the lateral edge of pectoralis major, laterally by the lateral edge of latissimus dorsi, inferiorly by the line of the fifth intercostal space and superiorly by the base of the axilla. Source: BTS Pleural Disease Guidelines (2010) Thorax 65 (Suppl. II), ii61–76. Reproduced with permission of BMJ Publishing Ltd.