Fig. 1

Radiological responses to tislelizumab and ociperlimab for the two PM patients. 1A and 1B represent PET-CT images of patient number one, and 1C and 1D correspond to patient number two. A Axial section at the level of the right superior pulmonary vein at baseline (1 = 18 mm, 2 = 10 mm) and 12 weeks after treatment (1 = 5 mm, 2 = 5 mm) (B) Axial section at T9 vertebra level at baseline (1 = 10 mm, 2 = 11 mm) and 12 weeks after treatment (1 = 8 mm, 2 = 8 mm). C Axial section at the level of right 9.^th rib at baseline (1 = 14 mm) and 9 months after treatment (1 = 8 mm). D Axial section at the level of T9 vertebra at baseline (1 = 14 mm) and 9 months after treatment (1 = 6 mm)