Inclusion Criteria:  has recurrent or metastatic solid cancer that has been proven histologically or cytologically and cannot be treated with surgery or radiotherapy for the purpos of complete remission does not have a standard treatment that can be applied clinically according to the investigator's judgment has an expected life expectancy of more than 6 months adults aged 19 or older based on screening day ECOG performance status : 0~1  Exclusion Criteria:  Has a history of hypersensitivity or other contraindications to rhGM-CSF and Montanide ISA 51 VG Has a history of other primary malignant tumor Has autoimmune diseases or inflammatory diseases Has a history of active primary immunodeficiency disease Has active infection including tuberculosis, hepatitis B, hepatitis C or human immunodeficiency virus (HIV) infection Is pregnant or breastfeeding or expecting to conceive children has a history of immune suppression therapy ≤4 weeks prior to the screening day