Inclusion Criteria:

• Malignant neoplasm of ribs, sternum and clavicle
• Malignant neoplasm of the connective and soft tissues of the chest
• Neoplasm of uncertain or unknown nature of ribs, sternum and collarbone
• Benign neoplasm of ribs, sternum and collarbone
• Tumor lesions of the chest wall of any localization, malignant and benign, as well as of an uncertain or unknown nature
• For malignant tumors: Grade 1-3
• Lack of distant metastases
• Signed informed consent

Exclusion Criteria:

• Children, women during pregnancy, childbirth, women during breastfeeding.
• Military personnel, with the exception of contract military personnel.
• Persons with mental disorders.
• Persons detained, taken into custody, serving a sentence in the form of restriction of freedom, arrest, imprisonment or administrative arrest.
• Patients with distant metastases (except for a solitary focus in the chest wall without other manifestations of the disease)
• Inoperable tumor
• The presence of another malignant tumor at the time of examination
• ECOG 4
• Having an active or chronic fungal / bacterial / viral infection
• Uncontrolled chronic diseases of the liver, kidneys in the acute stage
• Presence of metastases