[Multiple forms of some enzymes in tissue of rectal carcinoma after x-ray treatment]

Alterations in activity of multiple forms of lactate dehydrogenase, acid phosphatase and esterase were studied in normal, tumoral and in surrounding tissue of rectum carcinoma developing after X-ray irradiation. The alterations in the activity of multiple forms of the enzymes were observed characteristic for both malignant tumors and normal tissues.