I am 30 years , i have ca sigmoid and i make surgery to remove tumor and ruslts of pathology report are :
1/ sigmoid colon & appendix
invasive adenocarcinoma grade 1
tumor maximal diameter : 2.5 cm on slide
free circumferential margins
free pericolic lymph nodes ( 0/10 )
no evidence of lymphovascular invasions
follicular lymphoid hyperplasia of appendix
2/ proximal &distal colonic margins ( donuts) : both free of malignancy

pt3b,pno1,pmx
astler coller classifiction : b1

the colonic segment received 18 cm , surgery & oncology doctors said no need chemical treatment but nedd to do analysis ( cea ,cbc, liver functions ) every 3 months and colonoscopy every 6 months , and take 2 times agiolax

the surgery was in 16/4/2009 , berfor surgery ( normal ct scan abdomen & pelvis ; liver functions is ok ; cea 2.2 ng/mi ; lung scan ok )
during surgery liver was free by preview ; after surgery by 8 weeks ( cea 1.5 ; ca19.9 17.3 ; liver functions is ok ; only i have anemia " after surgery haemoglobin 9 , now 10.5 so i take ferose " occult blood in stool : week positive )
q1/ what medical advice ?
q2/ is the stool out thin and long with constipation without blood normal in this period ?
q3/ what are symptoms that must be under observation now ?
q4/ what are signs of disease back ?
q5/ is constipation is normal after surgery because of the conection between 2 free parts of cancers ( difernt in diaimater )?