Today, we finally had the opportunity to meet with the oncologist. We addressed all the questions lingering in our minds. Unfortunately, there is also a tumor detected on my father's right kidney. The report indicates it as "suspicious," raising concerns about a second primary cancer. It is not related to colorectal cancer. It is kidney renal cancer. I asked whether it was definitive, and if not, how we would determine it. The response was that a biopsy isn't conducted for that; there's a 90% chance that it is cancer. Therefore, we proceed with treatment as if it were cancer, but it's also necessary to consult a urologist. The cancer is classified as stage 1.

Despite the situation, I'm trying to stay optimistic, considering the 93% treatability rate I found online.

Regarding the rectal cancer, it's classified as stage 3. The oncologist mentioned a treatment success rate of over 70% if we opt for chemotherapy, radiotherapy, and surgery. There's no invasion of the anal sphincter, and due to the tumor's location, a temporary colostomy will be required, no permanent one, which is another bright side for us. He added, without chemotherapy and surgery, the success rate drops to 50%. My father is inclined towards pursuing all treatment options.

Once we've consulted the urologist and radiation oncologist, a treatment plan will be determined—whether to begin with chemotherapy followed by radiotherapy and then surgery, or to initiate radiotherapy with low-dose chemotherapy followed by surgery.

We were contemplating seeking a second opinion. The oncologist assured us that we have time; the rectal cancer's current stage won't suddenly progress to stage 4. However, we're hesitant to delay appointments with another set of specialists—urologist, radiation oncologist, and medical oncologist—to make a decision. It's a challenging decision to make. Additionally, I'm uncertain whether we need to consult all four doctors for a second opinion or just one. If only one, which specialist should it be? Another surgeon or a medical oncologist? We have another appointment scheduled with my father's surgeon on Thursday, and I'll inquire about his perspective then.