Radiotherapy Market Size By Type (External Beam Radiation Therapy {Intensity-Modulated Radiation Therapy [IMRT], Image-Guided Radiation Therapy [IGRT], Proton Therapy}, Internal Radiation Therapy, Systemic Radiation Therapy), By Application (Lung Cancer, Prostate Cancer, Breast Cancer, Cervical Cancer, Head & Neck Cancer), By End-use (Hospitals, Radiotherapy Centers & Ambulatory Surgery Centers, Cancer Research Institutes), Industry Analysis Report, Regional Outlook, Growth Potential, Competitive Market Share & Forecast, 2022 – 2028