# 15	3,292	#7 AND #12 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 14	11,791	#7 OR #13 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 13	11,050	#5 AND #12 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 12	2,049,980	#11 OR #10 OR #9 OR #8 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 11	163,800	TS="quality of life" Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 10	955,659	TS=(prognosis or outcome) Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 9	877,979	TS=(survival or mortality or morbidity) Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 8	661,485	TS=(follow up or follow‐up or longitudinal) Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 7	4,033	#5 AND #6 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 6	404,566	TS=(recur* or metastas*) Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 5	17,480	#3 AND #4 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 4	849,999	TS=(random* or double blind* or single blind*) Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 3	166,220	#1 AND #2 Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016
# 2	1,263,394	TS=(cancer or tumor* or * or carcinoma* or adenoma* or adenocarcinoma*) Indexes=SCI‐EXPANDED, CPCI‐S, ESCI Timespan=2006‐2016