Clinical Study of Postoperative Carbon Ion Radiotherapy for Thymus Tumor With Residual Tumor

Exclusion Criteria

• •Complicated with other malignant tumors that have not been controlled.
• •Have large quantity of pleural or pericardial effusion.
• •Patient whose particle radiotherapy plan cannot meet the minimum target dose coverage and dose volume limitation requirements, or cannot meet the dose constrains of normal tissue or organs.
• •Chest radiation therapy or radioactive particle implantation history.
• •Cardiac pacemakers or other internal metal prosthesis implants that may be affected by high-energy radiation or may affect the dose distribution to the radiation target area.
• •Pregnancy (confirmed by serum or urine β-HCG test) or lactation period.
• •HIV positive. Hepatitis virus replication phase, need to receive antiviral therapy, but because of concomitant disease cannot receive antiviral therapy. Active stage of syphilis.
• •A history of mental illness may hinder the completion of treatment.
• •With serious comorbidity that may interfere with radiotherapy, including: (a) Acute infectious diseases or acute active phase of chronic infection. b) Unstable angina pectoris, congestive heart failure, myocardial infarction that has been hospitalized in the past 6 months. c) Exacerbations of chronic obstructive pulmonary disease or other respiratory conditions requiring hospitalization. d) Severely impaired immune function. e) Diseases with excessive sensitivity to radiation such as ataxia telangiectasia. f) Other diseases that may affect particle radiotherapy.
• •Other circumstances that the physician considers inappropriate to participate in clinical study.