# Radiation Oncology/Online tools

* Front Page: Radiation Oncology | RTOG Trials | Randomized Trials
Online Tools

## Radiobiology

Linear Quadratic / BED / EQD Calculators:
* 2 Gray Equivalent Calculator (Kathmandu, Nepal)
** Gives 2 Gy equivalent dose at different α/β.
* Site down: http://www.radiotherapy.com/calculate Radiotherapy Dose Calculator (radiotherapy.com) - BED, alpha-beta calculator (Java applet)
* RBApp - BED, EQD2, alpha-beta calculator (Web App, Android, BlackBerry)
* eLQ - linear quadratic calculator
Brachytherapy:
* See "calculation tools" at: Radiation_Oncology/Cervix/Brachytherapy#Equivalent_doses
** e.g. HDR vs LDR BED calculations

## Cancer: General

* Memorial Sloan Kettering Nomograms
* Cleveland Clinic Risk Calculators
* Adjuvant Online (account required)

## Cancer: Site Specific

Bladder Cancer
* MSKCC Bladder Survival After Surgery
Breast Cancer
* Ipsilateral Breast Tumor Recurrence
** Invasive Disease
*** IBTR!- https://www.tuftsmedicalcenter.org/ibtr/
**** 10-year prediction of ipsilateral breast cancer recurrence after BCS and axilla evaluation, with and without RT
**** 2010: PMID 20048188 -- "Validation of a Web-Based Predictive Nomogram for Ipsilateral Breast Tumor Recurrence After Breast Conserving Therapy." (Sanghani M, JCO)
*** IBR - http://research.nki.nl/ibr/ibr/index.html
**** 10-yr prediction of ipsilateral breast recurrence free probability for RT w/ or w/o boost.
**** 2011: PMID 21821304 -- "Nomogram to predict ipsilateral breast relapse based on pathology review from the EORTC 22881-10882 boost versus no boost trial." (van Werkhoven, RO)
** DCIS
*** MSKCC DCIS Recurrence Calculator - http://nomograms.mskcc.org/Breast/DuctalCarcinomaInSituRecurrencePage.aspx
**** Estimates 5 and 10 yr risks of ipsilateral recurrence after lumpectomy and different adjuvant therapy choices (eg RT, endocrine therapy)
**** 2010: PMID 20625132 -- "Nomogram for predicting the risk of local recurrence after breast-conserving surgery for ductal carcinoma in situ." (Rudloff, JCO)
* Risk of Positive Nodes
** Probability of Finding Additional Positive Nodes AFTER Sentinel Lymph Node Biopsy (SLNBx):
*** MSKCC Additional Node Nomogram - http://nomograms.mskcc.org/Breast/BreastAdditionalNonSLNMetastasesPage.aspx
**** Predicts probability of finding more positive nodes on completion axillary dissection after positive SLNBx.
**** 2003: PMID14654469 -- A nomogram for predicting the likelihood of additional nodal metastases in breast cancer patients with a positive sentinel node biopsy." (Van Zee, ASO)
*** MDACC Additional Nodes WITHOUT Neoadjuvant Chemotherapy - http://www3.mdanderson.org/app/medcalc/bc_nomogram2/index.cfm?pagename=nsln
**** Predicts probability of finding more nodes on completion axillary dissection after positive SLNBx in patients who have NOT received neoadjuvant chemotherapy.
**** 2010: (Mittendorf, SABC)
*** MDACC Additional Nodes AFTER Neoadjuvant Chemotherapy - http://www3.mdanderson.org/app/medcalc/bc_nomogram/index.cfm?pagename=nsln
**** Predicts probability of finding more nodes on completion axillary dissection after positive SLNBx in patients who have received neoadjuvant chemotherapy.
**** 2008: PMID 18442039 -- "Factors Predicting Additional Disease in the Axilla in Patients with Positive Sentinel Nodes after Neoadjuvant Chemotherapy." (Jeruss, Cancer)
* Breast Cancer Risk Assessment Tool (NCI) - risk of developing breast cancer
** link
Cholangiocarcinoma
* Oregon: Extrahepatic cholangiocarcinoma, post-op RT
Colon Cancer
* MSKCC Colon Cancer DFS After Surgery
Glioblastoma
* EORTC Calculator
Gallbladder
* Oregon Adjuvant RT
Lung Cancer
* MSKCC Lung Cancer Risk After Smoking
* Oregon Adjuvant RT for NSCLC
Oral Cavity Cancer
* Cleveland Clinic Locoregional RFS - probability of 5-year LRRFS after surgery
* Oregon Post-op RT
Pancreas
* Oregon Adjuvant RT
Renal Cell
* Please see the renal cell carcinoma page
Prostate
* MSKCC Prostate Cancer Nomograms - multiple outcomes
* PSA doubling time calculator:
** RTOG - opens Excel spreadsheet
** Bellera (PDF) - graph paper method
* University of Michigan PSACalc - see PMID 19014779 "Determinants of Change in Prostate-Specific Antigen Over Time and Its Association With Recurrence After External Beam Radiation Therapy for Prostate Cancer in Five Large Cohorts." (Proust-Lima C, Int J Radiat Oncol Biol Phys. 2008 Nov 1;72(3):782-91)
* The Palpable Prostate blog - PSA Doubling Time. Provides a number of links to doubling time calculators
* Doubling Time - by Roth V. - Graphs (linear) and computes doubling time
* prostatecancerwatchfulwaiting.co.za - Excel spreadsheet. PSA Calculator. Graphs semi-log but only graphs PSA values > 1.0.
Sarcoma
* MSKCC Sarcoma Survival After Surgery

## Patient information

Cancer Survivorship
* OncoLife - University of Pennsylvania
** Create individualized survivorship plans of care based on the Institute of Medicine recommendations for cancer survivors.
About Radiation Oncology
* RT Answers - American Society for Radiation Oncology (ASTRO)
** Information on radiation therapy written for patients by physicians and other members of the radiation oncology treatment team.