Meta-analysis plot for patients with Level IV cervical LN metastasis. This is the forest plot generated from the 5 studies that contained relevant data. The 1st column specifies the study set used. The second column specified the proportion of patients that presented with lymph node metastasis in the particular study. The last column states the weightage of each study contributing to the meta-analysis. The X axis represents the proportion of patients who present with any Level IV cervical involvement.