Immunotoxin Therapy in Treating Patients With Advanced Solid Tumors

DISEASE CHARACTERISTICS: * Histologically confirmed advanced malignancy of 1 of the following types: * Ovarian cancer * All nonmucinous epithelial histologies are eligible * Primary peritoneal cavity cancer * Fallopian tube cancer * Malignant mesothelioma * No sarcomatous histology * Pancreatic cancer * Squamous cell cancer (SCC) of the lung * SCC of the cervix * SCC of the head and neck * Recurrent unresectable disease, meeting 1 of the following criteria: * Previously treated with definitive standard therapy * Patient refused prior standard therapy * Initial or recurrent tumor positive (at least 30% of tumor cells) for mesothelin by immunohistochemistry\* NOTE: \*Immunohistochemical evaluation not required for patients with pancreatic cancer * Measurable or evaluable disease * No clinically significant pericardial effusion * No known CNS or spinal cord involvement by tumor PATIENT CHARACTERISTICS: Age * 18 and over Performance status * ECOG 0-2 Life expectancy * At least 12 weeks Hematopoietic * Absolute neutrophil count at least 1,500/mm\^3 * Platelet count at least 75,000/mm\^3 Hepatic * Bilirubin no greater than upper limit of normal (ULN) * AST and ALT no greater than 2.5 times ULN * Albumin at least 3.0 g/dL * Hepatitis B and C negative * Seropositive allowed if clinically asymptomatic * except if clinically asymptomatic and bilirubin and AST and ALT meet the outlined criteria Renal * Creatinine no greater than ULN * Cal…