Pancreatic Cancer

“Pancreatic neoplasms”[Mesh] OR “Carcinoma, pancreatic ductal”[mesh] OR “pancreatic cancer” OR “Pancreatic neoplasms” OR “pancreatic neoplasm” OR "pancratic carcinoma" OR "pancreatic adenocarcinoma" OR “Pancreatic tumor” OR ”Pancreatic tumors” OR “pancreatic tumour” OR “pancreas tumor” OR “pancreas tumors” OR "Pancreatic neuroendocrine tumor" OR "pancreatic neuroendocrine tumors" OR "pancreatic ductal adenocarcinoma" OR "pancreatic ductal carcinoma" OR “Pancreas neoplasia” OR “glucagonoma”[Mesh] OR “Glucagonoma”

Multiple primaries -- keywords for search interfaces with proximity operators

The following keywords work relatively well for the "co-existing" concept if proximity with the cancer term/s can be specified.  
 
('co exist*' OR coexist* OR simultan* OR collision* OR synchron* OR concurrent OR concomitant OR contemporan* OR 'multiple primary' OR 'multiple primaries' OR 'double primary' OR 'double primaries' OR 'triple primary' OR 'triple primaries' OR multifocal OR multi-focal OR "multiple foci")

prostate cancer -- keywords and MeSH

("Prostatic Neoplasms"[Mesh] OR (prostate OR prostates OR prostatic) AND (cancer OR cancers OR cancerous OR carcinoma* OR adenocarcinoma* OR neoplasm* OR neoplastic OR tumor OR tumors OR tumour* OR malignan* OR metastatic OR metastasis OR metastases))

neoplasms -- keyword

This search strategy if focused primarily on malignant neoplasms but includes some words for benign neoplams, especially benign brain neoplasms.

(cancer OR cancers OR cancerous OR carcinoma* OR adenocarcinoma* OR hepatocarcinoma* OR carcinosarcoma* OR sarcoma* OR histiocytoma* OR fibrosarcoma* OR osteosarcoma* OR chondrosarcoma* OR lymphosarcoma* OR rhabdomyosarcoma* OR leukemi* OR leukaemi* OR erythroleukem* OR erythroleukaem* OR lymphoma* OR melanoma* OR hodgkin* OR "multiple myeloma" OR mesothelioma* OR neoplasm* OR neoplastic OR neoplasia OR malignan* OR metastases OR metastasis OR metastatic OR carcinoid* OR neuroblastoma* OR "Mycosis Fungoides" OR "Sezary Syndrome" OR Retinoblastoma* OR pheochromocytoma* OR "wilm's tumor" OR "wilm's tumors" OR nephroblastoma* OR choriocarcinoma* OR "Pleuropulmonary Blastoma" OR "Pleuropulmonary Blastomas" OR glioblastoma* OR glioma* OR astrocytoma* OR ependymoma* OR medulloblastoma* OR meningioma* OR craniopharyngioma* OR myelodysplastic OR myeloproliferative OR macroglobulinemi* OR macroglobulinaemi* OR pineoblastoma* OR "neuroectodermal tumor" OR "neuroectodermal tumors" OR "neuroectodermal tumour" OR "neuroectodermal tumours" OR "ewing's tumor" OR "ewing's tumors" OR "ewing's tumour" OR "ewing's tumours" OR thymoma* OR tumor OR tumors OR tumorous OR tumour* OR oncol*)

For EMBASE:
(cancer OR cancers OR cancerous OR carcinoma* OR adenocarcinoma* OR hepatocarcinoma* OR carcinosarcoma* OR sarcoma* OR histiocytoma* OR fibrosarcoma* OR osteosarcoma* OR chondrosarcoma* OR lymphosarcoma* OR rhabdomyosarcoma* OR leukemi* OR leukaemi* OR erythroleukem* OR erythroleukaem* OR lymphoma* OR melanoma* OR hodgkin* OR "multiple myeloma" OR mesothelioma* OR neoplasm* OR neoplastic OR neoplasia OR malignan* OR metastases OR metastasis OR metastatic OR carcinoid* OR neuroblastoma* OR "Mycosis Fungoides" OR "Sezary Syndrome" OR Retinoblastoma* OR pheochromocytoma* OR (wilm* NEXT/2 (tumor* OR tumour*)) OR nephroblastoma* OR choriocarcinoma* OR "Pleuropulmonary Blastoma" OR "Pleuropulmonary Blastomas" OR glioblastoma* OR glioma* OR astrocytoma* OR ependymoma* OR medulloblastoma* OR meningioma* OR craniopharyngioma* OR myelodysplastic OR myeloproliferative OR macroglobulinemi* OR macroglobulinaemi* OR pineoblastoma* OR "neuroectodermal tumor" OR "neuroectodermal tumors" OR "neuroectodermal tumour" OR "neuroectodermal tumours" OR (ewing* NEXT/2 (tumor* OR tumour*)) OR thymoma* OR tumor OR tumors OR tumorous OR tumour* OR oncol*)

consider:  anti-neoplastic OR anti-cancer OR "bone marrow transplant*" OR "blood stem cell transplant*" OR "hematopoietic tissue transplant*" OR "hematopoietic stem cell transplant*" OR "haematopoietic tissue transplant*" OR "haematopoietic stem cell transplant*"