Table 1 Adapted Joanna Briggs Institute Critical Appraisal Checklist for Case Series.

From: Mucoepidermoid carcinoma (MEC) and adenosquamous carcinoma (ASC), the same or different entities?

Were the types of tumors included accurately described?

Were the pathologic features used to diagnose the tumors adequately described?

Did the case series have consecutive inclusion of participants?

Did the case series have complete inclusion of participants?

Was there clear reporting of the demographics of the participants in the study? Age, sex of each patient in a table.

Was there clear reporting of clinical information of the participants? At least body site, TNM, previous treatment reported.

Were the outcomes or follow-up results of cases clearly reported? NA for this study

Were the molecular tests performed adequately described?

Were the mutations and/or other molecular results described in detail?

Were simple descriptive statistics, proportion, differences between groups provided?

Source: *Adapted from https://joannabriggs.org/sites/default/files/2020-08/Checklist_for_Case_Series.pdf