Fig. 3From: Comparative survival benefit of currently licensed second or third line treatments for epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) negative advanced or metastatic non-small cell lung cancer: a systematic review and secondary analysis of trialsCompared mean survivals (calculated using Weibull model) irrespective of histology (a), in squamous histology (b), and non-squamous histology (c); orange bars denote immunotherapies, blue bars targeted therapies, and green bars chemotherapiesBack to article page