I'm not an expert, but my husband has been fighting rectal cancer for almost 4 years. Here's my take; hope others will correct me if I'm wrong."Multiple non-bleeding diverticula were seen in the descending colon and sigmoid colon. Diverticulosis appeared to be of moderate severity."
Diverticulosis means little bulges or pouches in the colon. I think they are pretty common, especially in older folks. Probably unrelated to the mass, I would guess it's more a case of the doctor making note of what s/he saw. If the pouches get infected, that's called diverticulitis, which can require antibiotics and/or surgery, but the report doesn't note evidence of that. "An ulcerated bleeding 10 cm mass of malignant appearance was found in the anus and rectum. The mass caused a partial obstruction. The scope traversed the lesion. Large ulcered apple core lesion from dentate line to 10 cms. With lumen decreased to 1 cm. Multiple cold forceps were performed for histology.
10 cm mass = A little less than 4 inches. There are some sites out there that will show foods or fruits to give an idea of tumor sizes, but based on the definition of apple core lesion that I found (see below), I would guess that measurement is the length of the mass.Apple core lesion
= Circumferential, as opposed to a perfectly round mass that grows from a single spot. First image on this page may make that easier to visualize: https://radiologykey.com/colorectal-cancer-7/Ulcerated/ulcered
= Surface is kind of angry and inflamed, irritated, probably not perfectly smooth. Malignant appearance
= In the doctor's opinion, the mass looks cancerous.Partial obstruction
= The mass was large enough to cause a backup of fecal matter, but did not completely prevent waste from getting through.Traversed the lesion
= They were able to get the scope beyond the mass, which I would assume means they visualized the rest of his colon.Dentate line
= The mass starts low in the anus, right at the dentate line,and proceeds upward for 10 cm. Drawing for reference here: http://www.researchgate.net/figure/A-sc ... _266625536Lumen decreased to 1 cm
= I think this means the mass is reducing the diameter of the rectum to 1 cm, which would be in keeping with the observation of "partial obstruction."Cold forceps for histology
= Forceps are a surgical tool, kind of a fancy tweezer. The doctor used them to take several samples of the mass, which were sent for examination under a microscope to determine whether the mass is cancerous.
I hope this is helpful. Sorry that you have to be on this forum, but it is a great source of information and support.