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I started to notice some bleeding with my bowel movements. I ignored it for a while but the bleeding wouldn’t stop and started to worsen so I went to get a colonoscopy where I live in Mexico. The results came back and it showed colon cancer and due to a difficult location of the cancer I was referred to get the surgery done with Dr. Eric Haas at Methodist hospital in Houston. I was incredibly impressed with the staff, we got an appointment on the same day we called . On my first visit after showing my medical history, I explained I had history of pulmonary nodules and that my doctors in Mexico were following. This is not Dr. Haas specialty and not why I went to see him, but he immediately investigated further and ordered a CT scan. We found out I had early stage pulmonary cancer and I wouldn’t have found out without Dr. Haas! One week after my visit I had my colon surgery. Dr. Haas removed the cancer and due to the size and location he was able to prevent a permanent colostomy bag and only gave me a temporary ileostomy to allow the surgical area to heal. I later found out that most patients with my type of cancer would have needed a colostomy for life. Even though I thought it would be bothersome, I had no pain or discomfort with my ileostomy bag and was able to do my daily activities. Only one month later I had my second surgery with Dr. Haas to remove the ileostomy bag and I’ve been feeling excellent ever since! While in Houston Dr. Haas also arranged for the best pulmonary cancer doctors who have treated and cured that cancer too. I have now returned to Mexico and life is so great. DR. HAAS SAVED MY LIFE IN MANY WAYS. I’ll always be grateful to him and his team. His professionalism, his bedside manners and his caring and his knowledge are superb. Thank you for everything.


We were faced with an unimaginable diagnosis of the “C” word back in August 2014, something that you never want to hear. We never mentioned the “C” because we wanted only to speak about CURE, HEALING and not mention that word. It is ok to cry together or by yourself and know it is ok to do that. Educate yourself, ask questions as much as you can about YOUR particular “C”. If something does not sound right then trust that feeling. It is a process and I can assure you that there are days that are not easy.


We were referred to Dr. Haas after a colonoscopy with complications. Dr. Haas immediately took our appointment same day and put on the schedule for surgery. Dr. Haas and his staff have been friendly, accommodating and informative. Glad to now be cancer free and forever grateful to Dr. Haas and his team.

Evelin Calles

Day one when I met Dr Haas, he assured me that he could remove this cancer by robotic surgery l. I was recommended by my Dr in Lake Charles. Dr Haas was so easy to understand I highly recommend Dr Haas, staff and office personnel they have been very good to me, I highly recommended him to whoever is in need. From my surgery in Memorial Herman from Dr Haas made sure I was well enough to go back home. Ever since I completed all my exams, I’m very happy with my results. I thank him for that!

Lester Richard recommends Houston Colon

Let me first say you cannot find a better Doctor or staff. Second, here is my story. Mid May a mass was found during a routine colonoscopy. Initial biopsy came back benign. The mass was taken out and determined it had cancer markings. I am 52 and I was in shock. June 26th my doctor, Dr Clemons, an extraordinary Dr. recommended Dr Haas. I got in to see him on June 29th because of a cancellation. Dr Haas had taken the time to talk to my doctor, he knew of me. Dr Haas states there was a 20% chance I needed surgery. I stated I wanted to be aggressive and he stated with my age (relatively young) and in good health he recommended surgery to remove the part of my colon that had the markings. Still in shock, he took the time to listen and empathize with me. There may have been tissues involved. I choose to have the surgery. July 5th, I had a five-hour surgery that removed a foot of my transverse colon. Dr. Haas and his staff were amazing, kind and compassionate. I felt like I was their only Patient. I had surgery at Houston Methodist and was out of the hospital in two days. My follow up has been great and I highly recommend Dr. Haas and his staff. All reports find that all is clear, I am cancer free. Five Stars for this experience. Make your appointment with him today. Thanks for reading and all the best to you.

Rodney Coon recommends Houston Colon