A multistage choke , comprising: a housing having a high pressure inlet port and a low pressure outlet port ; a monolithic assembly comprising a tubular inlet port in fluid communication with an outer periphery of the monolithic assembly and in fluid communication with the housing inlet port , a circumferential galley formed between the outer periphery and an inner periphery of the monolithic assembly and formed to intersect the tubular inlet port , a tubular outlet port in fluid communication with the circumferential galley , and an internal bore radially inward from the tubular outlet port and in fluid communication with the tubular outlet port ; a seat in the choke configured to longitudinally support the monolithic assembly , the seat having a seat bore in fluid communication with the low pressure outlet port of the choke; and a plug sized to move longitudinally inside the bore of the monolithic assembly and selectively restrict flow through the tubular outlet port , the tubular inlet port , or a combination thereof; characterized in that the tubular inlet port , circumferential galley , and tubular outlet port of the monolithic assembly are circular; in that the multistage choke further comprises a cage having a bore with a cross section sized to receive the monolithic assembly within the bore , the cage having a cage inlet port in fluid communication with the tubular inlet port of the monolithic assembly , such that in operation fluid flows from the high pressure inlet port through the cage inlet port into the tubular inlet port of the monolithic assembly , and is redirected into the circumferential galley intersecting the tubular inlet port and into the tubular outlet port offset from the circumferential galley , into the bore of the monolithic assembly to the bore in the seat , and out through the low pressure outlet port . a housing having a high pressure inlet port and a low pressure outlet port ; a monolithic assembly comprising a tubular inlet port in fluid communication with an outer periphery of the monolithic assembly and in fluid communication with the housing inlet port , a circumferential galley formed between the outer periphery and an inner periphery of the monolithic assembly and formed to intersect the tubular inlet port , a tubular outlet port in fluid communication with the circumferential galley , and an internal bore radially inward from the tubular outlet port and in fluid communication with the tubular outlet port ; a seat in the choke configured to longitudinally support the monolithic assembly , the seat having a seat bore in fluid communication with the low pressure outlet port of the choke; and a plug sized to move longitudinally inside the bore of the monolithic assembly and selectively restrict flow through the tubular outlet port , the tubular inlet port , or a combination thereof; characterized in that the tubular inlet port , circumferential galley , and tubular outlet port of the monolithic assembly are circular; in that the multistage choke further comprises a cage having a bore with a cross section sized to receive the monolithic assembly within the bore , the cage having a cage inlet port in fluid communication with the tubular inlet port of the monolithic assembly , such that in operation fluid flows from the high pressure inlet port through the cage inlet port into the tubular inlet port of the monolithic assembly , and is redirected into the circumferential galley intersecting the tubular inlet port and into the tubular outlet port offset from the circumferential galley , into the bore of the monolithic assembly to the bore in the seat , and out through the low pressure outlet port . <EOS>