The Particle Therapy segmentation by application distinguishes five primary clinical indications: Prostate Cancer, Lung Cancer, Liver Cancer, Pediatric Tumors, and Other Oncology Indications. Prostate cancer accounts for the largest share, driven by high incidence rates in developed regions and robust reimbursement frameworks, thus contributing roughly one‑third of total market revenue. Lung cancer follows, reflecting increasing adoption of particle beams for locally advanced disease where conventional radiotherapy shows limited control. Liver cancer represents a growing niche, benefitting from the precise dose distribution that mitigates hepatic toxicity. Pediatric tumors, while a smaller absolute volume, command a premium price due to specialized protocols and the need for dose sparing of developing tissues, thereby delivering disproportionate profitability. The residual category aggregates less common malignancies—such as head‑and‑neck, pancreatic, and sarcomas—each adding incremental demand that collectively sustains diversification of the market’s revenue base.