Research objectives:

• To evaluate the quality of life of patients before and after surgery for benign head tumors ( meningiomas) and malignant tumors at stage I, II and III, to assess whether it depends on the size of the tumor, type of tumor, malignancy and its location
• evaluation of the independence of patients before and after surgery for head tumors at different stages of the disease - benign tumors (meningiomas) and malignant tumors in stage I, II and III, evaluation of what factors affected the different independence of patients
• Multidimensional evaluation of perceived social support of patients before and after surgery for head cancers - benign ( meningiomas) and malignant tumors in stage I, II and III, taking into account three sources of support: significant person, family and friends

Scientific (research) problems:

- What is the quality of life of patients before and after surgery for benign ( meningiomas) and malignant head cancers at stages I, II and III ? Is quality of life in patients with head cancer dependent on tumor size, malignancy, location or type of cancer ?

Inclusion criteria for the study:

-clinical diagnosis of head cancer

Study exclusion criteria:

- cranio-brain injuries and inflammatory brain diseases.

Each patient who is admitted to the surgical ward with a diagnosis of head cancer will be qualified for surgery will be given written consent for the study and the processing of personal data, as well as information for the researcher with questionnaires, and then give written consent will be recruited for the study. The patient's personal data processing information will be retained for the study until its completion.