We cherish your messages. Take a moment to write a note in our guestbook or read entries from other visitors. —The Tysons

PS. We've recently changed the way that you leave messages with us, due to an abhorrent amount of spam messages left in the guest book, we are now requiring that you verify your post via your email account. We apologize greatly for this added step you need to take to post a message to us, but thank you immensely for taking the time (and extra step) to send us a message.

Jaime Swingley Gordon

Praying so hard for my favorite doctor, her son and all of your family. Callen is clearly an amazing little boy and has so many people behind him fighting! 

Wednesday, April 16, 2014 11:11 AM
Julie Murphy

Shame on them! That is horrible that they will not give you a refund, but I admire your resolve to appreciate the positive things. I hope knowing we all love and support you helps ease the worries. Many prayers for good test results for Callen. God bless all of you. Love,


Tuesday, April 15, 2014 11:30 AM
Lorrie Zampetti

With the new day comes new strength and new (positive) thoughts. - Eleanor Roosevelt

Tuesday, April 15, 2014 09:22 AM

Julia, As you learn from a 4 year old, we are certainly learning from you!!  Thank you for your beautiful insight. XOXO

Sunday, April 13, 2014 09:26 AM
Aunt Lorrie and Uncle Pat

Just checking in on our favorite superhero.  We hope all is well and that you can feel all of the love and benefit from the prayers we are sending your way.  God Bless you Callen and watch over your parents as they cheer you on to victory!


Aunt Lorrie and Uncle Pat


Sunday, April 13, 2014 09:15 AM
Lara Ratzan

Uncle Jimmy and Kate,

My heart and thoughts are with you both and Callen, as well as, Matt, Julia and Oliva....



Saturday, April 12, 2014 04:03 PM
Jessica Oberholtzer

Just learned of Callen's diagnosis last night through my dear friend (and fellow patient of the amazing Dr.Tyson) Megan Noakes. 

Callen is on our mind and in our hearts throughout his battle against leukemia. Although I've only "met" him in passing, I can tell that he's got the superhero strength it takes. Our family will be following close on all the updates. 

The Oberholtzers

Shane, Jessica, and Alison

Saturday, April 12, 2014 09:01 AM
Chelsea Lavery

Dear Dr. Tyson and family,

I read your journal everyday and I must say you and your family have a lot of support and love behind you. I pray every night that Callen has a fast and safe recovery. Callen is an inspiration for staying strong like he has through such a rough time. You and your family are remodels for keeping everything around you positive; not just for Callen but also for yourselves. Please do continue to smile and laugh even through this rocky journey. 


Chelsea Lavery 

Friday, April 11, 2014 01:39 PM
Linsey Lavery

Katie and family,

 You all are simply amazing. Your strength, love and faith is truly admirable. Reading your blog while at work was probably not the best idea, but I enjoyed every post and we are praying for your sweet little Callen and the rest of your family. I got my t-shirt last week and have worn it proudly!


Proverbs 4:20-22

"My child, be attentive to my words; incline your ear to my sayings. Do not let them escape from your sight; keep them within your heart. For they are life to those who find them, and healing to all their flesh."


Thursday, April 10, 2014 02:16 PM
Leighann Smith

Every day I read these posts, whether from Dr Tyson (Katie) or any other member of the Tyson family. I know I can anticipate how greatly I will be moved and expecct to tear up before I ever open the post. Truthfuly I love this! To feel connected to you all and to know what is going on is great. What's even better is learning that such a little boy can bring more hope, joy and faith into the lives of others when he is battling the biggest thing in his own. I think about you all often! Keeping you in my prayers 

Lots of love to Callen and the entire Tyson family!!!

Thursday, April 10, 2014 10:42 AM

Every time I read a new journal entry, I am prepared to be moved and uplifted.  Today was no exception.  Julia, you are amazing!  Callen, and your entire family, are very lucky to have your support and love.  Don't forget that you are also a superhero!  Just ask Callen.

Thursday, April 10, 2014 09:01 AM
Julie Murphy

Thanks for the updates.  You're in my thoughts and prayers every day. We can't wait to wear our new shirts for Superhero Callen! Love and hugs for all of you. 

Julie Murphy

Wednesday, April 09, 2014 11:03 PM
Karen Lavery

Katie, after reading your journal, I needed to tell you how much I am thinking of you and your family at this time.  When I read about Callen, I can't help but think of my grandson, who is about the same age as Callen.  I can't imagine what you are going through or how you must feel.  Please know I am doing the best thing I know to do for you and your family at this time, praying.  I feel so helpless, but I do believe with all my heart prayer is very powerful and I will continue for as long as Callen needs.  God bless you and your family, Karen Lavery

Wednesday, April 09, 2014 03:25 PM
Kristen Walters

To all the Tysons, please know that you are in my thoughts and prayers.  While I don't know Callen personally, his mom is one amazing lady and it sounds like the Callen is made in the same grain.   Sending you all much love and strength. Kristen Walters

Wednesday, April 09, 2014 12:11 PM
Amber Chandler

Callen your the bravest little boy I know, you have all the support behind you here at Daddy's work   Stay strong super man 

Wednesday, April 09, 2014 11:44 AM
Rachel Sweeney

Please know that you and your family continue to be in my thoughts and prayers.  GO TEAM CALLEN!!!

Wednesday, April 09, 2014 08:46 AM
Andrea Brewer

Hi Dr. Tyson!  Wanted you to know that I am thinking and praying for you and your family as you battle Lou Kee-Mia!  May faith, hope, and love keep you all strong on this journey!  I don't know Superhero Callen, but I have no doubt he gets his superhero genes from his superhero Mom!  Wishing you all much love and many blessings,       T., Andrea, and Gracie Brewer

Tuesday, April 08, 2014 12:42 PM
vicki woodruff

Dear Callen - I received my cool Team Callen t-shirt this week.  Looking forward to walking with your team on April 26.  You have alot of cheerleaders cheering for you and sending lots of prayers your way!  Stay Strong!

Tuesday, April 08, 2014 09:34 AM
Melanie Smyth

Hi Dr. Tyson.

I am sorry for not writing sooner but trying to find the words to write has been hard. I have been thinking about you and your family alot. I kind of know what you are going through with Callen since I have been there with my parents. Some what a simiular situation. You are all in my thoughts and prayers.I miss talking to you and please give Callen lots of love from me and my family. My son Jesse tells me that Callen will be ok because my son has faith and he says that he is strong. I couldn't aggree more. Lots of  love coming your way.


Monday, April 07, 2014 01:27 PM
VA Lynch

Hugs and Best Wishes your way Dr T (Katie) . Miss you but read your blog and feel your strength.  Thinking of the Tyson family always!!

Monday, April 07, 2014 11:29 AM

I don't know what I'd do without your journal entries, Kate.  I feel so informed, "in the loop", involved.  You are of comfort to all of us....while we all seek to comfort you. Thank you from the bottom of my heart! xoxo

Sunday, April 06, 2014 08:23 PM
Janet Baker

May God bless you Tyson family during this battle. The Bakers are fighting with you in steadfast prayer and thanking Him in advance for the healing He is about to do! 

Thursday, April 03, 2014 06:10 PM
Helen Njoku

Dear Callen, my name is Helen, a patient to your lovely mom, Dr Tyson. Only just knew about this today at my appointment.  I know one thing son, you a are a star, a son of God! God is your strength and healer. I pray for the healing power of God upon you and you are healed in Jesus name, Amen! Keep being strong and stay blessed.         Love you lots.

Thursday, April 03, 2014 04:58 PM
Halle Andrews

she meant im his cousin and she's my friend. but anyways, we love you callen! GO SUPERHERO CALLEN!!!!!!!!!!

Thursday, April 03, 2014 04:43 PM

Go Callen! I am Callen's cousin Halle's friend. She showed me this site, as well as the first one and I now support Team Callen! When we get the t-shirts we ordered, we will wear them to school on the same day and tell everyone about Callen. Callen, you can win this battle. You got this! You should know that you have a great sidekick in Halle. She is looking out for you! Sending prayers your way! Show Lou Kee-Mia who is boss. 

Thursday, April 03, 2014 04:39 PM
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