case_images: PMC10833057_01
case_images: PET/CT scan. A positron emission tomography/computed tomography (PET/CT) scan showed increased uptake in the anterior mediastinal lesion with a maximum standardized uptake value of 7.4.
case_images: cureus-0016-00000051528-i01.jpg
case_images: PMC10833057_01_cureus-0016-00000051528-i01.jpg
case_images: FIG1
case_images: Dose distributions. Dose distributions in the axial (upper), sagittal (lower left), and coronal (lower right) views for the radiotherapy plans
case_images: cureus-0016-00000051528-i02.jpg
case_images: PMC10833057_01_cureus-0016-00000051528-i02.jpg
case_images: FIG2
case_images: The dose distribution is presented in Figure 2.
case_images: Chest CT scan. Chest computed tomography (CT) scan before the radiotherapy (A), three months after (B), 16 months after radiotherapy (C), and 28 months after radiotherapy (D). Yellow arrows indicate the target lesion.
case_images: cureus-0016-00000051528-i03.jpg
case_images: PMC10833057_01_cureus-0016-00000051528-i03.jpg
case_images: FIG3
case_images: AChR-Ab level had normalized. As of 2.5 years later, it continues to show a sustained reduction in size with no apparent late-phase radiation-related adverse events (Figures 3A-3D).