Features and functionalities within OpVerse that can be leveraged to address testing tasks. (A) A digital twin chest model of a 37-year-old female (case #1) with a right Pancoast tumour, displayed alongside the corresponding CT cross-section for reference. (B) Task 1: count the number of ribs affected by the tumour for case #1. (C) Task 2: measure the longest diameter of the anterior mediastinal pleomorphic lipoblastic sarcoma for a 28-year-old male (case #3). (D) Task 3: measure the curved length of the tuberculosis-related stenotic bronchus segment for a 38-year-old female (case #10). CT: computed tomography.