adenocarcinoma what is itpachymeningeal carcinomatosislymphangiomatosis carcinomatosislymphomatous carcinomatosislymphangitic carcinomatosis treatmentcarcinomatosis peritonei treatmentleptomeningeal carcinomatosismetastatic carcinomatosislymphoma carcinomatosisintraperitoneal carcinomatosisdisseminated carcinomatosisinterstitial carcinomatosis