Digestive system neoplasms are tumors which affect the digestive system. Types include:
M: NEO
tsoc, mrkr
tumr, epon, para
drug (L1i/1e/V03)
M: DIG
anat(t, g, p)/phys/devp/enzy
noco/cong/tumr, sysi/epon
proc, drug(A2A/2B/3/4/5/6/7/14/16), blte