Prolonged response of meningeal carcinomatosis from non-small cell lung cancer to salvage intrathecal etoposide subsequent to failure of first-line methotrexate: a case report and literature review

Prolonged response of meningeal carcinomatosis from non-small cell lung cancer to salvage intrathecal etoposide subsequent to failure of first-line methotrexate: a case report and literature review